Using [Br-], COc1cccc(NC(=O)OC(C)(C)C)c1C(=O)O to produce COc1c(Br)ccc(NC(=O)OC(C)(C)C)c1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.