Using C1N2CN3CN1CN(C2)C3, O=C1C(=O)c2ccccc2-c2ccccc21 to produce c1ccc2c(c1)c1ccccc1c1[nH]cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.