Using Br, COc1cc(C(=O)C#CCNC(=O)OC(C)(C)C)cc(OC)c1OC to produce COc1cc(-c2cc(Br)cn2C(=O)OC(C)(C)C)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.