You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 7-(3-chlorophenyl)-13-methyl-3-pentylsulfanyl-16-thia-2,4,5,7,13-pentazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,10(15)-tetraen-8-one by IUPAC nomenclature, provide its molecular formula.
user
C22H24ClN5OS2
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