You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2Z)-2-[(1R,2S,6R,7S)-3-[5-[(2-methylpropan-2-yl)oxycarbonylamino]pyridin-2-yl]-8-oxo-9-oxa-3-azatricyclo[5.3.1.12,6]dodecan-12-ylidene]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H31N3O6
assistant