Using OC1CCN(c2ccc(C(F)(F)F)cc2)CC1, COC(=O)c1cnc(Cl)cn1 to produce COC(=O)c1cnc(OC2CCN(c3ccc(C(F)(F)F)cc3)CC2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.