Using COCC1CN(c2ccc(C3CCCCC3)c([N+](=O)[O-])c2)C(=O)O1 to produce COCC1CN(c2ccc(C3CCCCC3)c(N)c2)C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.