You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 4-(4-hydroxy-4,5,7,8-tetrahydrothieno[2,3-d]azepin-6-yl)-2-methyl-5-nitro-1H-pyrimidin-6-one .
user
C13H14N4O4S
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