Using COc1ccc(Cn2cc(-c3nc(Nc4cccc(I)n4)sc3C)cn2)cc1 to produce Cc1sc(Nc2cccc(I)n2)nc1-c1cn[nH]c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.