Using C#Cc1ccccc1, O=C(C(=O)c1ccc(Br)cc1)c1ccccc1 to produce O=C(C(=O)c1ccc(C#Cc2ccccc2)cc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.