Using COc1cc2nccc(Cl)c2cc1OC, Oc1ccc(-n2ccnc2)cc1I to produce COc1cc2nccc(Oc3ccc(-n4ccnc4)cc3I)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.