You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-butyl-4-methyl-3-phenyl-N-[(1R,2S,4S)-1,7,7-trimethyl-2-bicyclo[2.2.1]heptanyl]-3,4-dihydropyrazole-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H37N3O
assistant