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": ""}
  QIsi~ MICHIAN 42.99319 .a4    k  Port Huron, S edge, about 0.4 miles S of exit to Bluewater bridge to Sarnia from I 94.          praegracilis v   1982-06-21 ;PAn   cyperaceae Y~  median of i 94 with juncus gerardii and aropyron r3pens. scarge, one small patgh only. ~JP      &$+!` 6784 anton a. reznicek 8     VPu  -82.44792
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "praegracilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "6784", "verbatimEventDate": "1982-06-21", "habitat": "Median of I 94 with Juncus gerardii and Agropyron repens. Scarce, one small patch only.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Port Huron, S edge, about 0.4 miles S of exit to Bluewater bridge to Sarnia from I 94.", "decimalLatitude": "42.99319", "decimalLongitude": "-82.44792", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}