You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,7R)-5-[(2-methoxypyridin-3-yl)methyl]-12-phenyl-1,5,10-triazatricyclo[7.3.0.03,7]dodeca-9,11-diene is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H24N4O
assistant