Using CC(C)(C)OC(=O)NC(=O)OC(C)(C)C, Cc1c(CCl)cccc1[N+](=O)[O-] to produce Cc1c(CN(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)cccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.