Using CC(C)(C)OC(=O)N1CCC(C(=O)c2ccccc2OC(F)(F)F)CC1 to produce O=C(c1ccccc1OC(F)(F)F)C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.