You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(4-methoxy-3-phenylmethoxyphenyl)-3-[1-[(4-methylphenyl)methyl]indol-3-yl]-N-(2-pyridin-2-ylethyl)propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C40H39N3O3
assistant