Using O=C1CCN(Cc2ccc(Cl)c(Cl)c2)CC1, NNC(=O)COc1ccc(OC(F)(F)F)cc1 to produce O=C(COc1ccc(OC(F)(F)F)cc1)NNC1CCN(Cc2ccc(Cl)c(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.