You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[(R)-carboxy-[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methyl]-1-methylindole-2-carboxylic acid into molecular formula.
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C25H27N3O4
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