Using Cc1nc(Cl)c(Cl)n1CCCCCl, Fc1cnc(N2CCNCC2)nc1 to produce Cc1nc(Cl)c(Cl)n1CCCCN1CCN(c2ncc(F)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.