Using COC(=O)c1cnn(CCl)c1, N#CC(C#N)CCC(F)(F)F to produce COC(=O)c1cnn(CC(C#N)(C#N)CCC(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.