Using Fc1ccc(-c2cc(Cl)nc(Cl)n2)cc1, CCOC(=O)c1cnc(N2CCNCC2)c(Cl)c1 to produce CCOC(=O)c1cnc(N2CCN(c3cc(-c4ccc(F)cc4)nc(Cl)n3)CC2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.