Using COC(=O)Cc1c(Br)csc1Br, O=C(O)c1ccc(B(O)O)cc1 to produce COC(=O)Cc1c(Br)csc1-c1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.