You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1R,2S,6R,9R)-6-(4-methoxyphenyl)-7,11-diazatricyclo[7.3.1.02,7]tridecan-11-yl]pyridine-4-carbonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H28N4O
assistant