Using CCCc1ccc(C(=O)C[C@H](NC(=O)C(F)(F)F)C(=O)O)cc1 to produce CCCc1ccc(CC[C@H](NC(=O)C(F)(F)F)C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.