Using CC(C)(C)OC(=O)NC1CCN(c2cncc(-c3cn(C(=O)OC(C)(C)C)c4ccc([N+](=O)[O-])cc34)n2)CC1 to produce NC1CCN(c2cncc(-c3c[nH]c4ccc([N+](=O)[O-])cc34)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.