Using CCOC(=O)CS, Cn1nc(-c2cc(CBr)c(Cl)cc2F)c(Cl)c1C(F)(F)F to produce CCOC(=O)CSCc1cc(-c2nn(C)c(C(F)(F)F)c2Cl)c(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.