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": ""}
  oz Oberlin  s.n. DBx    gv%4 A. E. RICKSECKER    ipomoea purpurea |  solanales z   _s x Convolvulaceae        #dN A 1894-08-31  Ohio mKX`l   xP~# lorain  B+O C 1460934   (L.) ROTH A_a[#  purpurea EZ_B  
{"catalogNumber": "1460934", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea purpurea", "scientificNameAuthorship": "(L.) Roth", "genus": "", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. E. Ricksecker", "recordNumber": "s.n.", "verbatimEventDate": "1894-08-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ohio", "county": "Lorain", "municipality": "", "locality": "Oberlin", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}