Using CCCN(CCC)C1Cc2cc(C(=O)[O-])c(C(=O)[O-])cc2C1, NN to produce CCCN(CCC)C1Cc2cc3c(=O)[nH][nH]c(=O)c3cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.