Using C#CCO, O=C(OCOC(=O)c1ccc(Br)cc1)c1ccc(Br)cc1 to produce O=C(OCOC(=O)c1ccc(C#CCO)cc1)c1ccc(C#CCO)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.