Using CCO[C@@H](Cc1ccc(OCCN2c3ccccc3Oc3ccccc32)cc1)C(=O)N[C@H](CO)c1ccccc1, O=C([O-])O to produce CCO[C@@H](Cc1ccc(OCCN2c3ccccc3Oc3ccccc32)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.