Using NCc1nccs1, Cc1cc2c(=O)[nH]c(Cn3cc(C=O)c(C(F)(F)F)n3)nc2s1 to produce Cc1cc2c(=O)[nH]c(Cn3cc(CNCc4nccs4)c(C(F)(F)F)n3)nc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.