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 [(2R,3S,5R)-5-carbonochloridoyl-3-(4-methylbenzoyl)oxyoxolan-2-yl]methyl 4-methylbenzoate is given. What is its corresponding molecular formula?
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C22H21ClO6
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