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 (5aE,10Z,12Z)-2-bromo-5-[3-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-8,8-dimethyl-9,11-dimethylidene-10-pentylidene-7,12b-dihydro-4aH-cyclonona[b]indole .
user
C45H43BrN4
assistant