You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-[[4-[2-(cyclopropylmethoxy)ethyl]-1,3,4,5-tetrahydropyrrolo[1,2-a][1,4]diazepin-2-yl]methyl]-4-methyl-1,3-thiazole by IUPAC nomenclature, provide its molecular formula.
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C19H27N3OS
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