Using O=C(Nc1ccc([N+](=O)[O-])cc1)C1CN(c2ccccc2)CCN1Cc1ccccc1 to produce Nc1ccc(NC(=O)C2CN(c3ccccc3)CCN2Cc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.