Using CCOC(=O)c1ncn2c1CN(C)C(=O)c1ccccc1-2, [C-]#N to produce CC(C)OC(=O)c1ncn2c1CN(C)C(=O)c1ccccc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.