You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(10-methyl-6-oxo-8,9-dihydro-7H-pyrido[1,2-a]indol-7-yl)-(1-tritylimidazol-4-yl)methyl] acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H33N3O3
assistant