Using Clc1ccccc1C(Cl)Cn1ccnc1, COC(=O)c1ccc(S)cc1 to produce COC(=O)c1ccc(SC(Cn2ccnc2)c2ccccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.