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 [(6S)-4-phenyl-6-prop-1-en-2-yl-7-(2,4,5-trimethylphenyl)-6-bicyclo[3.2.0]hepta-1(7),4-dienyl] acetate into molecular formula.
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C27H28O2
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