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 cyclopenta-2,4-dien-1-ylidenemethanolate;2-cyclopenta-1,3-dien-1-yl-4,4,5,5-tetramethyl-1,3-dioxolane;ruthenium(2+) is given. What is its corresponding molecular formula?
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C18H22O3Ru
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