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": ""}
  Porter zt    michigan u^Y    1915-05-29 B^4       IA s -83.806645 42.274748 prK      A yK 1289584   H  RUBUS ALLEGHENIENSIS  mark p. widrlechner  1@!r   v g ANN ARBOR, FORESTRY FRM      Ns8  ALLEGHENIENSIS
{"catalogNumber": "1289584", "order": "", "family": "", "scientificName": "Rubus allegheniensis", "scientificNameAuthorship": "Porter", "genus": "", "subgenus": "", "specificEpithet": "allegheniensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark P. Widrlechner", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1915-05-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Ann Arbor, Forestry Farm", "decimalLatitude": "42.274748", "decimalLongitude": "-83.806645", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}