Using CC(C)(C)OC(=O)N1CCN(c2ccc(NC(=O)c3nc(-c4ccccc4)oc3C(F)(F)F)cc2)CC1 to produce O=C(Nc1ccc(N2CCNCC2)cc1)c1nc(-c2ccccc2)oc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.