Using CCOC(=O)C(C)Br, CSc1c(Cl)c(-c2cc(O)c(Cl)cc2Cl)nn1C to produce CCOC(=O)C(C)Oc1cc(-c2nn(C)c(SC)c2Cl)c(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.