Using Cc1ccc(C)n1-c1ccn(-c2ccc(Cl)cc2)n1, II to produce Cc1ccc(C)n1-c1cc(I)n(-c2ccc(Cl)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.