Using O=C(O)CS(=O)(=O)Nc1ccc(F)cc1C(F)(F)F, COC(=O)C[C@H](N)C(=O)OC to produce COC(=O)CC(NC(=O)CS(=O)(=O)Nc1ccc(F)cc1C(F)(F)F)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.