You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (11'S)-5,7-dichloro-11'-methyl-4'-(2-methylpyrazol-3-yl)spiro[1H-indole-3,7'-4,8-diazatetracyclo[6.4.0.02,6.09,11]dodecane]-2,3',5'-trione is given. What is its corresponding molecular formula?
user
C22H19Cl2N5O3
assistant