Using C1N2CN3CN1CN(C2)C3, O=C(CCl)Nc1ccccc1C(=O)c1ccccc1 to produce O=C1CN=C(c2ccccc2)c2ccccc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.