Using CC(=O)OO, Cc1cc(N(CCCl)CCCl)ccc1C(C)(CNC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C to produce Cc1cc([N+]([O-])(CCCl)CCCl)ccc1C(C)(CNC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.