Using CCNC(=O)Nc1nc2cc(B(O)O)cc(-c3ccccn3)c2s1, Clc1nsc(Cl)n1 to produce CCNC(=O)Nc1nc2cc(-c3nc(Cl)ns3)cc(-c3ccccn3)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.