You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule methyl 4-[(9S,11R)-4-methyl-11-phenyl-8-oxa-12,13,15,17-tetrazatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2,4,6,13,15-hexaen-9-yl]benzoate into molecular formula.
user
C27H22N4O3
assistant