You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[4-[[4-(4-propoxybenzoyl)oxyphenyl]methylideneamino]butyliminomethyl]phenyl] 4-propoxybenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H40N2O6
assistant