You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-amino-5-[4-(1-fluoroethoxy)-3-methylphenyl]-3-methyl-5-(1,3-thiazol-5-yl)imidazol-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H17FN4O2S
assistant