Using Cc1ccc(S(=O)(=O)Cl)cc1, O=C1c2cc(COc3ccccc3)nn2CCN1c1cccc(CO)n1 to produce O=C1c2cc(COc3ccccc3)nn2CCN1c1cccc(CCl)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.