Using O=C1N(c2ccc(C(O)C(F)(F)F)cc2)CCC12CCC1(CC2)OCCO1 to produce O=C1CCC2(CC1)CCN(c1ccc(C(O)C(F)(F)F)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.