Using CCOC(=O)c1cc2cc(OCCOC)cc([N+](=O)[O-])c2n1C(=O)OC(C)(C)C to produce CCOC(=O)C1Cc2cc(OCCOC)cc(N)c2N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.