Using CCOC(=O)c1[nH]c2ccc([N+](=O)[O-])cc2c1CCCNC(=O)OC(C)(C)C to produce CCOC(=O)c1[nH]c2ccc(N)cc2c1CCCNC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.