Using CCCN(CCC)C(=O)C1=Cc2ccc(-c3ccc(C(=O)OCc4ccccc4)cc3)cc2N=C(N)C1 to produce CCCN(CCC)C(=O)C1=Cc2ccc(-c3ccc(C(=O)O)cc3)cc2N=C(N)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.