You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-3-(3,4-dihydro-2H-1,5-benzodioxepin-7-ylamino)-2-(4-methyl-1,3-thiazol-2-yl)prop-2-enenitrile into its molecular formula.
user
C16H15N3O2S
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