You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[3-cyano-4-(methoxymethyl)-6-methyl-2-oxopyridin-1-yl]-N-[(E)-(3,5-dichloro-4-hydroxyphenyl)methylideneamino]acetamide .
user
C18H16Cl2N4O4
assistant