Using Clc1nc(Cl)nc(N2CCOCC2)n1, Nc1cc(Cl)c2[nH]c(C(F)F)nc2c1 to produce Nc1cc(Cl)c2nc(C(F)F)n(-c3nc(Cl)nc(N4CCOCC4)n3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.