Using COc1cccc(B(O)O)c1, CC1CN(C(=O)OC(C)(C)C)Cc2scc(Br)c2O1 to produce COc1cccc(-c2csc3c2OC(C)CN(C(=O)OC(C)(C)C)C3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.