Using [Zn+]Cc1ccccc1, Clc1nccnc1Oc1ccc(Nc2ccccn2)cc1 to produce c1ccc(Cc2nccnc2Oc2ccc(Nc3ccccn3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.