Using O=C(Oc1c(F)c(F)c(F)c(F)c1F)C(F)(F)F, NC1CCc2cc(Cc3cc(CO)cc(C(F)(F)F)c3)ccc21 to produce O=C(NC1CCc2cc(Cc3cc(CO)cc(C(F)(F)F)c3)ccc21)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.