Using CC(C)(C)OC(=O)N1[C@H](c2cc(-c3ccc(C(F)(F)F)cc3)ccn2)CC[C@@]12CCNC2=O to produce O=C1NCC[C@@]12CC[C@@H](c1cc(-c3ccc(C(F)(F)F)cc3)ccn1)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.