Using CCOC(=O)C1(C(C[N+](=O)[O-])c2cccnc2)CCCN(C(=O)OC(C)(C)C)C1 to produce CCOC(=O)C1(C(CN)c2cccnc2)CCCN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.