Using COc1ccc(C2ONC(C)C=C2C)cc1, Cc1cccc(S(=O)(=O)Cl)c1 to produce COc1ccc(C2ON(S(=O)(=O)c3cccc(C)c3)C(C)C=C2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.