You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-(4-cyclohexylpiperazine-1-carbonyl)-2-(methoxymethyl)-3-(2-methoxyphenyl)-3-naphthalen-1-ylpropanenitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H39N3O3
assistant