You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzotriazol-1-yl-[(1R,2S,4S)-2-methyl-2-bicyclo[2.2.1]hept-5-enyl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H15N3O
assistant