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": ""}
     "Nodes black,anthers purple, glumes and lemmas blackened. Assoc.: Hieracium aurantiacum, Fragaria virginiana, Spiraea aba, Potentilla simplex" $    752 u 643  ^) 1992-06-19      @z Vl L. -84.81952 Cl  1.9 mi E of Crawford/Kalkaska county line, NE side of Howes Lake, W of Houghton's goldenrod enclosure. T27N R04W, Sec. 32 NW1/4SE1/4  j])    ? united states MICHIGAN  jM   disturbed area in dry norther,n forest; disturbed moist sand adj. to scattered pine forest, full sun, moist sand. IE=P       
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "643", "verbatimEventDate": "1992-06-19", "habitat": "Disturbed area in Dry Northern Forest; Disturbed moist sand adj. to scattered pine forest, full sun, moist sand.", "occurrenceRemarks": "\"Nodes black, anthers purple, glumes and lemmas blackened. Assoc.: Hieracium aurantiacum, Fragaria virginiana, Spiraea alba, Potentilla simplex\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "1.9 mi E of Crawford/Kalkaska county line, NE side of Howes Lake, W of Houghton's goldenrod enclosure. T27N R04W, Sec. 32 NW1/4SE1/4", "decimalLatitude": "", "decimalLongitude": "-84.81952", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}