Using Nc1c(O)cccc1C(=O)O, NCc1ccc(C(F)(F)F)cc1 to produce Nc1c(O)cccc1C(=O)NCc1ccc(C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.