You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(fluoroamino)-6-(4-hydroxy-1-imino-1-oxothian-4-yl)-8-methylpyrido[2,3-d]pyrimidin-7-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H16FN5O3S
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