Smog codes Emission codes P1618 and P1627 - 2001 Daewoo Lanos

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Definition of P0420 is catalyst below threshold. This is indicative of (among other things) a converter that is not working as efficiently as it should be (according to specs). Catalytic converters are not normally a "wear" type item, that is they are not deisgned to wear out and need replacement. If they have failed, it is likely due to something else that caused it to fail.

P0447 Evaporative Emission Control System Vent Valve/Solenoid Circuit Open. The Powertrain Control Module (PCM) has detected an open within the circuit that controls the vent valve or solenoid for evaporative emission systems vapor.

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DISCONNECT THE NEGATIVE CABLE AT THE BATTERY,THEN WAIT FIVE MINUTES THEN RECONNECT,WHAT HAPPPEN?

You need to scan the codes to find what the fault is. If you have access to a VagCom you can get the codes yourself. Otherwise take it to AutoZone (they sometimes will check the codes for free), the dealership, or a smog test station and get the codes checked.

take it to dealer

The fault code P1627 means "Module Supply Voltage Out Range"
you can erase the code with OBD2 code reader.

p0410 code pos causes loose or broken hose on smog pump or bad check valve on exhaust man were smog hose atatches

If P1627 is set when there is a problem with the fuel level sending unit, 100% sure on this problem, replace the fuel level sender in the gas tank, about 2.5 hours, very straight forward job

The fuel level sending unit in the fuel pump. That float thing attached to it. That is what the code is and also why the fuel gauge does not work.

this is a immobiliser code this could be induced by cycling ignition or using key or remote that has problem

p1627 which is explained as
Manufacturer contrl.
Aux. inputs
Aux outputs

it means there's a problem on either aux input or the output try to check both connection.