Using CC(C)OC(=O)C[C@@H](O)C(=O)OC(C)C, Cc1cc(CBr)nc(-n2c(C)ccc2C)c1 to produce Cc1cc(C[C@H](C(=O)OC(C)C)[C@@H](O)C(=O)OC(C)C)nc(-n2c(C)ccc2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.