Using O=C(Cl)Oc1ccc(Oc2ccc(C(F)(F)F)cn2)cc1, CC(C)(C)OC(=O)N1CCNCC1 to produce CC(C)(C)OC(=O)N1CCN(C(=O)Oc2ccc(Oc3ccc(C(F)(F)F)cn3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.