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": ""}
  hWalter N. Koelz E8G       $ 1941-06-12    Mm) RAIL TRACK    IC CONSOLIDA     (dc.) schrã¶dinger ?sH9:  1498765 _D^;%    9ga oliveriana   ranunculales lLdVZ   18202 kgn5  
{"catalogNumber": "1498765", "order": "Ranunculales", "family": "", "scientificName": "", "scientificNameAuthorship": "(DC.) Schr\u00c3\u00b6dinger", "genus": "Consolida", "subgenus": "", "specificEpithet": "oliveriana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18202", "verbatimEventDate": "1941-06-12", "habitat": "Rail track", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}