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": ""}
   1990-06-16 ^a@-7   | Actaea 16071    rubra 5I;x        ACTAEA RUBRA p  DWARD G. VOSS ?J$   rn frequent at edge of thickets, old field        z michigan   6/ui (Aiton) Will.  ZKV.F 45.8584  ranunculales  WR;y 
{"catalogNumber": "", "order": "Ranunculales", "family": "", "scientificName": "Actaea rubra", "scientificNameAuthorship": "(Aiton) Willd.", "genus": "Actaea", "subgenus": "", "specificEpithet": "rubra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "16071", "verbatimEventDate": "1990-06-16", "habitat": "frequent at edge of thickets, old field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.8584", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}