You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[(4-ethylphenyl)methoxy]-5-hydroxy-4-[4-(3-phenylmethoxypropoxy)phenyl]piperidine-1-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C31H36NO6-
assistant