Using CC(C)(C)OC(=O)N1CCC(N2CCC[C@H](N)C2=O)CC1, FC(F)(F)c1cnc(Cl)c(Cl)c1 to produce CC(C)(C)OC(=O)N1CCC(N2CCC[C@H](Nc3ncc(C(F)(F)F)cc3Cl)C2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.