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 (1R,2R,9S)-6,6,12,12-tetramethyl-3-oxatetracyclo[7.2.1.01,7.02,4]dodec-7-ene is given. What is its corresponding molecular formula?
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C15H22O
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