You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule ethyl 5-amino-4-cyano-3-[[5-[1-(dimethylamino)ethyl]-4-(4-fluorophenyl)-1,2,4-triazol-3-yl]sulfanylmethyl]thiophene-2-carboxylate ?
user
C21H23FN6O2S2
assistant