PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns
<http://a.example/S1> CLOSED {
<http://a.example/p1> @<http://a.example/List1PlusIri>
}
<http://a.example/List1PlusIri> CLOSED {
rdf:first IRI ;
rdf:rest [rdf:nil] OR @<http://a.example/List1PlusIri>
}