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 1-O-benzyl 4-O-ethyl 2-(2-chloroprop-2-enyl)-3-oxopiperidine-1,4-dicarboxylate;ethyl 4-chloro-2-[(5-ethoxy-4,5-dioxopentyl)-phenylmethoxycarbonylamino]pent-4-enoate .
user
C41H50Cl2N2O12
assistant