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 4-[2-[acetyl-[[3-hydroxy-4-[3-(2-phenylethynyl)phenyl]butyl]amino]amino]ethyl]benzoic acid is given. What is its corresponding molecular formula?
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C29H30N2O4
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