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 N-[(2-chlorophenyl)methyl]-5-[2-(4-methoxy-3-methylphenyl)ethyl]-6-oxo-2-oxa-5-azabicyclo[5.3.1]undec-9-ene-11-carboxamide .
user
C27H31ClN2O4
assistant