Using C#CC(C)(O)Cc1cncc(C2CCCN2C(=O)OC(C)(C)C)c1 to produce C#Cc1cncc(C2CCCN2C(=O)OC(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.