You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 5-[(3S)-4-[1-(4-chlorobenzoyl)piperidin-4-yl]-3-ethylpiperazin-1-yl]-6-methylpyridine-2-carboxamide;methyl 5-[(3S)-4-[1-(4-chlorobenzoyl)piperidin-4-yl]-3-ethylpiperazin-1-yl]-6-methylpyridine-2-carboxylate .
user
C51H65Cl2N9O5
assistant