You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[[5-benzyl-8-butan-2-yl-15-[3-(diaminomethylideneamino)propyl]-21-hydroxy-4,11-dimethyl-3,6,9,13,16,22-hexaoxo-2-propan-2-yl-10-oxa-1,4,7,14,17-pentazabicyclo[16.3.1]docosan-12-yl]amino]-3-(butanoylamino)-4-oxobutanoic acid by IUPAC nomenclature, provide its molecular formula.
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C44H68N10O12
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