Using CC(C)(C)C(=O)CC#N, CCOC(=O)c1cc(NN)cc2ccccc12 to produce CCOC(=O)c1cc(-n2nc(C(C)(C)C)cc2N)cc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.