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": ""}
   2O! PRENANTHES ALTISSIMA   ~n DZ Oak woods,      Strawberry Lake a    B PREMANTHES  united states y?   s^k MICHIGAN Livingston ,iq2:   aVT 1930-10-12 JOHN H. EHLERS tH5A6  altissima OZ[b)   , 4728  Pall. ^      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Prenanthes altissima", "scientificNameAuthorship": "Pall.", "genus": "Prenanthes", "subgenus": "", "specificEpithet": "altissima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "4728", "verbatimEventDate": "1930-10-12", "habitat": "Oak woods,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Strawberry Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}