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 (E)-3-[4-[(1S)-2-(4-ethylphenyl)-3-methyl-6-(1-methylpyrazol-4-yl)-3,4,7,8-tetrahydro-1H-isoquinolin-1-yl]phenyl]prop-2-enoic acid into molecular formula.
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C31H33N3O2
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