Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
walter n. koelz Jl  1537019 ?     JTT 17600   1941-05-15 l[0   SFED KUH, PROVINCE OF LURISTAN _-ZA@   ^kuN-R iran   heldr. ex boiss. 2:pX  dorud L  plumosus `hZ4           /a. 2 PTEROCEPHALUS PLUMOSUS  OuH  Lorestan  3v2 Dry slope
{"catalogNumber": "1537019", "order": "", "family": "", "scientificName": "Pterocephalus plumosus", "scientificNameAuthorship": "Heldr. ex Boiss.", "genus": "", "subgenus": "", "specificEpithet": "plumosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "17600", "verbatimEventDate": "1941-05-15", "habitat": "Dry slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "Lorestan", "county": "Dorud", "municipality": "", "locality": "Safed Kuh, Province of Luristan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}