Using O=C(c1ccc(Cl)cc1)c1ccc(CCCCCCCCl)cc1, [I-] to produce O=C(c1ccc(Cl)cc1)c1ccc(CCCCCCCI)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.