Using CN(C)C=O, COc1cccc(C2(c3ccc(OS(=O)(=O)C(F)(F)F)cc3)CCN(Cc3ccccc3)CC2)c1 to produce COc1cccc(C2(c3ccc(C#N)cc3)CCN(Cc3ccccc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.