Using COc1ccc(Cn2nc(C)c(C(=O)c3ccccc3)c2Cl)cc1, Sc1cc(Cl)cc(Cl)c1 to produce COc1ccc(Cn2nc(C)c(C(=O)c3ccccc3)c2Sc2cc(Cl)cc(Cl)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.