Using O=C1CN(S(=O)(=O)c2ccccc2Cl)CCC12CCN(c1ccc(OC(F)(F)F)cc1)C2=O to produce O=C1N(c2ccc(OC(F)(F)F)cc2)CCC12CCN(S(=O)(=O)c1ccccc1Cl)CC2O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.