You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 1-butyl-4-[(3-cyclopropyl-6-methyl-2-phenylquinoline-4-carbonyl)amino]cyclohexane-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H40N2O3
assistant