Using O=C1NC(Cc2cccc(OC(F)(F)C(F)F)c2)C(c2cccc(F)c2)O1 to produce NC(Cc1cccc(OC(F)(F)C(F)F)c1)C(O)c1cccc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.