You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (5S)-5-[[[6-[2-chloro-3-[2-chloro-3-[6-chloro-4-methyl-5-[[[(2S)-5-oxopyrrolidin-2-yl]methylamino]methyl]pyridin-2-yl]phenyl]phenyl]-2-methoxypyridin-3-yl]methylamino]methyl]pyrrolidin-2-one by IUPAC nomenclature, provide its molecular formula.
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C36H37Cl3N6O3
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