. " other than the defendant may have a legal interest-- ???(i) the court shall take such action as is necessary to protect such third party interest; and ???(ii) may direct the United States to initiate any ancillary proceeding to determine such third party interests in accordance with the procedures specified in section 413(n) of the Controlled Substances Act (21 U.S.C. 853(n)). ???(F) EXCLUSIVITY" . . .