You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[5-[[(3R)-3-amino-5-[1-methyl-5-[[1-methyl-5-[[1-methyl-5-[[1-methyl-5-(methylcarbamoyl)pyrrol-3-yl]carbamoyl]pyrrol-3-yl]carbamoyl]pyrrol-3-yl]carbamoyl]pyrrol-3-yl]-4-oxopentyl]carbamoyl]-1-methylpyrrol-3-yl]-2-[1-methyl-4-[(1-methylimidazole-2-carbonyl)amino]pyrrol-2-yl]-3H-benzimidazole-5-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C54H58N18O8
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