Using CCC[C@@H](O)[C@@H](CC1CCCCC1)C(=O)O, NOC1CCCCO1 to produce CCC[C@@H](O)[C@@H](CC1CCCCC1)C(=O)NOC1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.