Using CC(C)(C)OC(=O)N1CCOc2ccc(B(O)O)cc2S1(=O)=O, [O-]B1OO1 to produce CC(C)(C)OC(=O)N1CCOc2ccc(O)cc2S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.