Using C#Cc1ccc(F)cc1F, CC(C)(C)OC(=O)COc1ccc(Cl)cc1Br to produce O=C(O)COc1ccc(Cl)cc1C#Cc1ccc(F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.