You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-4-amino-2-[[(2S)-2-[(2-aminobenzoyl)amino]-3-phenylpropanoyl]amino]-4-oxobutanoyl]pyrrolidine-2-carbonyl]amino]-4-methylpentanoyl]amino]-3-carboxypropanoyl]amino]-4-carboxybutanoyl]amino]-3-(4-nitrophenyl)propanoyl]amino]butanedioic acid by IUPAC nomenclature, provide its molecular formula.
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C53H65N11O19
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