You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[2-[[2-[(2,4-diamino-4-oxobutanoyl)amino]-3-(4-hydroxyphenyl)propanoyl]amino]propanoyl]pyrrolidine-2-carboxylic acid into molecular formula.
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C21H29N5O7
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