Using Oc1ccc(Oc2cccc(Cl)n2)cc1, CCOc1nnc(CCl)s1 to produce CCOc1nnc(COc2ccc(Oc3cccc(Cl)n3)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.