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": ""}
   8s 17549      y3 BROMUS TOMENTELLUS    Bromus -X!2V   8wl POAGEAE Dry limestone slope A    tomentellus Da     182 rNA    -& walter n. koelz POALES x6bc)   [lB Tidar, Province of Luristan  Z/ BOISS.  D@x Lorestan
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus tomentellus", "scientificNameAuthorship": "Boiss.", "genus": "Bromus", "subgenus": "", "specificEpithet": "tomentellus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "17549", "verbatimEventDate": "", "habitat": "Dry limestone slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Lorestan", "county": "", "municipality": "", "locality": "Tidar, Province of Luristan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}