You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
20-(4-methylpyridin-2-yl)-16-phenyl-9-thia-15,20-diazapentacyclo[11.7.0.02,10.03,8.014,19]icosa-1(13),2(10),3,5,7,11,14(19),15,17-nonaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H19N3S
assistant