Current "related compounds" is ambiguous about scholia HOT 2 OPEN

PREFIX target: <http://www.wikidata.org/entity/Q41576>

# title: related chemical structures
SELECT ?mol ?molLabel ?InChI ?InChIKey ?CAS ?ChemSpider ?PubChem_CID ?layer_b ?layer_t ?layer_m ?layer_s WITH {
  SELECT ?queryKey ?srsearch ?filter WHERE {
    target: wdt:P235 ?queryKey .
    BIND(CONCAT(SUBSTR($queryKey,1,14), " haswbstatement:P235") AS ?srsearch)
    BIND(CONCAT("^", SUBSTR($queryKey,1,14)) AS ?filter)
  }
} AS %MOLS WITH {
  SELECT ?mol ?InChIKey WHERE {
    INCLUDE %MOLS
    SERVICE wikibase:mwapi {
        bd:serviceParam wikibase:endpoint "www.wikidata.org";
        wikibase:api "Search";
        mwapi:srsearch ?srsearch;
        mwapi:srlimit "max".
        ?mol wikibase:apiOutputItem mwapi:title.
      }
    ?mol wdt:P235 ?InChIKey .
    FILTER (REGEX(STR(?InChIKey), ?filter))
    FILTER (?InChIKey != ?queryKey)
  }
} AS %MOLS2 {
  INCLUDE %MOLS2
  ?mol wdt:P234 ?InChI .
  # WIP
  BIND(REPLACE(?InChI, "/{0}.*?/b", "/") AS ?layer_b)
  BIND(REPLACE(?InChI, "/{0}.*?/t", "/") AS ?layer_t)
  BIND(REPLACE(?InChI, "/{0}.*?/m", "/") AS ?layer_m)
  BIND(REPLACE(?InChI, "/{0}.*?/s", "/") AS ?layer_s)
  OPTIONAL { ?mol wdt:P231 ?CAS }
  OPTIONAL { ?mol wdt:P661 ?ChemSpider }
  OPTIONAL { ?mol wdt:P662 ?PubChem_CID }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}