You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(11R,14Z)-11-(4-bromophenyl)-14-(1H-indol-3-ylmethylidene)-15-thia-12,17-diazatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2,4,6,16-pentaen-13-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H20BrN3OS
assistant