Using C#CC(O)C(C)(NC(=O)OC(C)(C)C)c1cccc(Br)c1 to produce C#CC(=O)C(C)(NC(=O)OC(C)(C)C)c1cccc(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.