Using O=S(=O)(O)c1ccc(OCc2ccccc2)cc1, O=C(Cl)C(=O)Cl to produce O=S(=O)(Cl)c1ccc(OCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.