Using COc1c(B2OC(C)(C)C(C)(C)O2)ccc2c1CC(=O)N2C, OCc1cncc(Br)c1 to produce COc1c(-c2cncc(CO)c2)ccc2c1CC(=O)N2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.