Using CNCC(=O)Nc1ccc(Cl)cc1C(=O)c1ccccc1, C=CC#N to produce CN(CCC#N)CC(=O)Nc1ccc(Cl)cc1C(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.