You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(2-acetamidopropan-2-yl)-N-ethyl-5-[5-[(4-fluorophenyl)methyl]-1,3,4-thiadiazol-2-yl]-3-hydroxy-4-oxo-1H-pyridin-1-ium-2-carboxamide into molecular formula.
user
C22H25FN5O4S+
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