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 2-[[(E)-4-(9H-fluoren-9-ylmethoxycarbonylamino)-2-methylbut-2-enoyl]-(2-methylsulfanylethyl)amino]acetic acid is given. What is its corresponding molecular formula?
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C25H28N2O5S
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