You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (3R,6S,9R,12S,15S,23R)-15-[[(2S)-2-acetamidohexanoyl]amino]-9-[(4-chlorophenyl)methyl]-6-[3-(diaminomethylideneamino)propyl]-12-(1H-imidazol-5-ylmethyl)-3-(1H-indol-3-ylmethyl)-2,5,8,11,14,17-hexaoxo-1,4,7,10,13,18-hexazacyclotricosane-23-carboxamide is given. What is its corresponding molecular formula?
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C50H68ClN15O9
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