You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (2S,6R)-4-[[4-[3-(6-methoxy-5-methylpyridin-3-yl)-4,5,7,8-tetrahydrooxepino[4,5-c]pyrazol-1-yl]pyrazol-1-yl]methyl]-2,6-dimethylpiperidine-1-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H42N6O4
assistant