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 2-[[4-[[4-[N-(4-methoxyphenyl)-4-[2-(4-methylphenyl)-2-phenylethenyl]anilino]phenyl]methylidene]-5-oxo-1H-imidazol-2-yl]sulfanyl]acetic acid .
user
C40H33N3O4S
assistant