You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[(2R)-2-(dimethylamino)-2-(3-methoxyphenyl)ethyl]-3-(5-methyl-1,3-thiazol-2-yl)urea by IUPAC nomenclature, provide its molecular formula.
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C16H22N4O2S
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