If this 2400 page PDF file on a US Treasury governmental web page means nothing, I have no help for you.
OFFICE OF FOREIGN ASSETS CONTROL Specially Designated Nationals and Blocked Persons List
Specially Designated Nationals and Blocked Persons List
This publication of Treasury’s Office of Foreign
Assets Control (”OFAC”) is designed as a
reference tool providing actual notice of actions
by OFAC with respect to Specially Designated
Nationals and other persons (which term includes
both individuals and entities) whose property is
blocked, to assist the public in complying with the
various sanctions programs administered by
OFAC.
It does reference the Commander in Chief twice:
MOUSAVI, Sayyed Abdolrahim (Arabic: سید
موسوی عبدالرحیم(, Qom, Iran; DOB 1959 to
1960; POB Qom, Iran; nationality Iran;
Additional Sanctions Information - Subject to
Secondary Sanctions; Gender Male;
Commander in Chief of the Army of the Islamic
Republic of Iran (individual) [IRAN-HR].
SHEKA, Ntabo Ntaberi; DOB 04 Apr 1976; POB
Walikale Territory, Democratic Republic of the
Congo; nationality Congo, Democratic Republic
of the; Commander in Chief, Nduma Defense of
Congo, Mayi Mayi Sheka group (individual)
[DRCONGO].