You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-(2-fluoroethyl)-1-(3,4,5-trifluorophenyl)-1,2,4-triazol-3-yl]-1,3-thiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H8F4N4S
assistant