You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,2S,3S,4R)-3-(2-phenylethylcarbamoyl)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H19NO3
assistant