Using CCN(CC)CCNC(=O)c1ccccc1S(=O)(=O)Nc1ccc2ccccc2c1C(=O)OC to produce CCN(CC)CCNC(=O)c1ccccc1S(=O)(=O)Nc1ccc2ccccc2c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.