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": ""}
  @  2008-0-08  LLt.u Alismatales   BUTOMUS HQ.eT    many; plant abt. 4' tll; flowers pink n  43.575786 j   1773 M&6>    wC9. newaygo    6EjGd Michigan 137246 uDBT   butomus umbellatus      +jOwA anton a. reznicek  L. #|^  UMBELLATUS 7 *     United States  open, mucky, shallow, weedy edge of retention pond. B-)w 
{"catalogNumber": "1397246", "order": "Alismatales", "family": "", "scientificName": "Butomus umbellatus", "scientificNameAuthorship": "L.", "genus": "Butomus", "subgenus": "", "specificEpithet": "umbellatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "1773", "verbatimEventDate": "2008-07-08", "habitat": "Open, mucky, shallow, weedy edge of retention pond.", "occurrenceRemarks": "Many; plant abt. 4' tall; flowers pink", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Newaygo", "municipality": "", "locality": "", "decimalLatitude": "43.575786", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}