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Under IUPAC nomenclature, a molecule named 1-[2-(3-methylphenyl)ethyl]-1-[(7-oxo-3,6-dihydro-2H-[1,4]dioxino[2,3-g]quinolin-8-yl)methyl]-3-phenylthiourea is given. What is its corresponding molecular formula?
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C28H27N3O3S
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