Using C#CCBr, COC(=O)C(Cc1ccc(NC(=O)OC(C)(C)C)nc1)(C(=O)OC)c1c[nH]cn1 to produce C#CCn1cnc(C(Cc2ccc(NC(=O)OC(C)(C)C)nc2)(C(=O)OC)C(=O)OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.