Using CCCCCCCCCCCCC(Oc1cccc(NC(=O)C(F)(F)C(F)Cl)c1)C(=O)OCC to produce CCCCCCCCCCCCC(Oc1cccc(NC(=O)C(F)(F)C(F)Cl)c1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.