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": ""}
  "flower heads purple." Sk   (L.) G. L. NESOM fU9   NOVAE-ANGLIAE RHL    9$mW SEC  38N-R24W 1251460 oaej:   D3.3 Michigan  dgXD Don Henson  D?i ASTERALES     yp Delta  7GD;k 1995-09-23   R-!Fj -87.29471  T- In moist soil near US-2. Apparent|y native. united states mW _6    MQ Symphyotrichum novae-angliae    *:r 4106   Mu2h6 45.71741
{"catalogNumber": "1251460", "order": "Asterales", "family": "", "scientificName": "Symphyotrichum novae-angliae", "scientificNameAuthorship": "(L.) G. L. Nesom", "genus": "", "subgenus": "", "specificEpithet": "novae-angliae", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "4106", "verbatimEventDate": "1995-09-23", "habitat": "In moist soil near US-2. Apparently native.", "occurrenceRemarks": "\"Flower heads purple.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "Sec 5 T38N-R24W", "decimalLatitude": "45.71741", "decimalLongitude": "-87.29471", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}