You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N,N,17,29-tetraphenyl-3-thia-17,29-diazaoctacyclo[24.2.1.02,10.04,9.012,28.015,27.016,24.018,23]nonacosa-1(28),2(10),4,6,8,11,13,15,18(23),19,21,24,26-tridecaen-20-amine into molecular formula.
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C50H31N3S
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