You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[4-(4-fluorophenyl)-5-(furan-2-yl)-1,2,4-triazol-3-yl]sulfanylmethyl]-N-propan-2-yl-1,3-thiazole-4-carboxamide into its molecular formula.
user
C20H18FN5O2S2
assistant