You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the SMILES representation of the molecule with IUPAC name methyl 5-cyano-1-[2-[ethyl(2-methylprop-2-enyl)amino]-2-oxoethyl]-6-oxopyridine-3-carboxylate ?
user
C=C(C)CN(CC)C(=O)CN1C=C(C(=O)OC)C=C(C#N)C1=O
assistant