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": ""}
   tz 1917-07-21 maculata m+yJ  CHIMAPHILA MACULATA *?JTR  (L.) PURSH c2DT  ERICACEAE 5    cecil billington G! 7      &!H  shaded ground, sand dunes 1204367 8    ^ ERICALES -86.21364 _`?     Allegan `f9u  Chimaphila B  42.66464 E.W    MICHIGAN a%F  UNITED STATES i@ 
{"catalogNumber": "1204367", "order": "Ericales", "family": "Ericaceae", "scientificName": "Chimaphila maculata", "scientificNameAuthorship": "(L.) Pursh", "genus": "Chimaphila", "subgenus": "", "specificEpithet": "maculata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "1917-07-21", "habitat": "shaded ground, sand dunes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "42.66464", "decimalLongitude": "-86.21364", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}