Using CNc1nc(Cl)nc(Cl)n1, COc1cc(N)cc(OC)c1OC to produce CNc1nc(Cl)nc(Nc2cc(OC)c(OC)c(OC)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.