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": ""}
  z Ms  ANTON A. REZNICEK On ridge above Delaware Mine. b    J s  michigan   G6!B[ Asterales      Dennis A. Alert  r 8S    OPEN ROCY RIDGE. F2P      x yAJ 1334086 willd. ml;L   IT 1989-16 keweenaw   ob  CENTAURE4 NIGRESCENS eb2  CENTAUREA @EI  UNITED STATES  3 
{"catalogNumber": "1334086", "order": "Asterales", "family": "", "scientificName": "Centaurea nigrescens", "scientificNameAuthorship": "Willd.", "genus": "Centaurea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Dennis A. Albert", "recordNumber": "1989-16", "verbatimEventDate": "", "habitat": "Open rocky ridge.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "On ridge above Delaware Mine.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}