Using Cc1nc(Br)sc1COc1ccc(-c2nc(=O)o[nH]2)c(Cl)c1, OB(O)c1cc2ccccc2s1 to produce Cc1nc(-c2cc3ccccc3s2)sc1COc1ccc(-c2nc(=O)o[nH]2)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.