You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 16-phenyl-20-(3-phenylphenyl)-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 by IUPAC nomenclature, provide its molecular formula.
user
C35H22N2S
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