You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(5,5-difluoro-6,7,8,9-tetrahydrocyclohepta[d]pyrimidin-2-yl)amino]thiophene-2-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H12F2N4S
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