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": ""}
     % rorippa      CECIL BILLINGTON Jo       L  (L.) BESSER     u+y campus of mich. state college.  ) JqX Rorippa sylvestris  ;^ ingham    Su Hn 1464232  KK East Lansing.  
{"catalogNumber": "1464232", "order": "", "family": "", "scientificName": "Rorippa sylvestris", "scientificNameAuthorship": "(L.) Besser", "genus": "Rorippa", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "", "habitat": "Campus of Mich. State College.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Ingham", "municipality": "", "locality": "East Lansing.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}