Using Cc1cc(B(O)O)ccn1, Clc1nccnc1Oc1ccc(Nc2ccccn2)cc1 to produce Cc1cc(-c2nccnc2Oc2ccc(Nc3ccccn3)cc2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.