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 (6R)-8-(3-fluorophenyl)sulfonyl-6-(methoxymethyl)-5,6,7,9-tetrahydroimidazo[1,2-a][1,4]diazepine is given. What is its corresponding molecular formula?
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C15H18FN3O3S
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