Using C#CCNC(=O)OC(C)(C)C, COc1ccc2nccc(Br)c2n1 to produce COc1ccc2nccc(C#CCNC(=O)OC(C)(C)C)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.