You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2S)-1-[2-(3-phenyl-1,2,4-triazol-1-yl)acetyl]pyrrolidine-2-carboxylic acid is given. What is its corresponding molecular formula?
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C15H16N4O3
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