Using O=C(Nc1cccc2ccccc12)c1ccc(Cl)c([N+](=O)[O-])c1, CC(C)(C)[O-] to produce CN(C(=O)c1ccc(Cl)c([N+](=O)[O-])c1)c1cccc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.