Using CCCN(CCC)C1CCc2cccc(C(=O)CC(=O)OC(C)(C)C)c2C1, NO to produce CCCN(CCC)C1CCc2cccc(-c3cc(O)on3)c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.