Using COC(=O)c1ccc(OC)c(Oc2cccc(C(F)(F)F)c2)n1 to produce COc1ccc(C(=O)O)nc1Oc1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.