Using COC(=O)c1ccc(C2(NC(=O)C3CC4(CCN3Cc3cccc(C(F)(F)F)c3)CC4)CC2)cc1 to produce O=C(O)c1ccc(C2(NC(=O)C3CC4(CCN3Cc3cccc(C(F)(F)F)c3)CC4)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.