Using O=C1Cc2cc([N+](=O)[O-])ccc2N1CCN1CCN(Cc2ccccc2)CC1 to produce Nc1ccc2c(c1)CC(=O)N2CCN1CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.