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-difluoro-N-[1-(4-pyridin-4-yl-1,3-thiazol-2-yl)ethyl]pyrrolidine-2-carboxamide;dihydrochloride .
user
C15H18Cl2F2N4OS
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