Using FC(F)(F)c1cccc(N2CCNCC2)c1, O=C(O)c1cn2c(n1)CCC(c1ccccc1)C2 to produce O=C(c1cn2c(n1)CCC(c1ccccc1)C2)N1CCN(c2cccc(C(F)(F)F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.