Using CC(C)C[C@@H](COc1cc2c(cc1Br)c1ccncc1c(=O)n2C)NC(=O)OC(C)(C)C, OB(O)C1CC1 to produce CC(C)C[C@@H](COc1cc2c(cc1C1CC1)c1ccncc1c(=O)n2C)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.