Using C(=C/c1nc(COc2ccc(CCCn3ccnc3)cc2)co1)\c1ccccc1 to produce c1ccc(CCc2nc(COc3ccc(CCCn4ccnc4)cc3)co2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.