Using CCOC(=O)c1cccc(CN2C(=O)CCc3cc(-c4ccc(C(F)(F)F)cc4)ccc32)c1 to produce O=C(O)c1cccc(CN2C(=O)CCc3cc(-c4ccc(C(F)(F)F)cc4)ccc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.