Using CI, CC(C)(C)OC(=O)N1CC2CC(NC(=O)CNC(=O)c3cccc(C(F)(F)F)c3)C(CO)C2C1 to produce COCC1C(NC(=O)CNC(=O)c2cccc(C(F)(F)F)c2)CC2CN(C(=O)OC(C)(C)C)CC21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.