Using COc1cccc([C@@H](O)[C@H](NC(=O)OC(C)(C)C)c2cncc(Br)c2)c1 to produce COc1cccc([C@H]2OC(=O)N[C@@H]2c2cncc(Br)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.