Using O=C([O-])[O-], Cc1sc(C(=O)CBr)c2c1CC(C)(C)CC2 to produce Cc1sc(C(=O)COc2ccccc2)c2c1CC(C)(C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.