Using CC(C)(C)OC(=O)N1CCN(c2nc(-c3cccc(C(F)(F)F)c3)cs2)CC1 to produce FC(F)(F)c1cccc(-c2csc(N3CCNCC3)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.