Using O=C1C2CC(c3ccc([N+](=O)[O-])cc3)(C2)C(=O)N1Cc1ccccc1 to produce Nc1ccc(C23CC(C2)C(=O)N(Cc2ccccc2)C3=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.