You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(6-phenyl-1,4-diazatricyclo[5.4.1.04,12]dodeca-2,5,7(12)-trien-2-yl)benzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H20N2O2
assistant