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 5-[4-[(3R)-3-hydroxybutoxy]-2,6-dimethylphenyl]bicyclo[4.2.0]octa-1(6),2,4,7-tetraen-7-ol is given. What is its corresponding molecular formula?
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C20H22O3
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