Using Clc1nc(NCc2ccccn2)c2c(-c3ccccc3)cccc2n1, COc1ncc(B(O)O)cn1 to produce COc1ncc(-c2nc(NCc3ccccn3)c3c(-c4ccccc4)cccc3n2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.