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": ""}
  ?4 Castanea   *c/ -86.1761722  several 1 m tall saplings. two parent trees within 200 feet. |T1ts   (EWq fagales     !J9^ 2010-10-1 388 W   Fagaceae hiJ~   +iuw 42.7220444    william s. martinus !x    1479528 t   OLD FIELD.z dBv4   tOm/ blume  3! allegan  United States    
{"catalogNumber": "1479528", "order": "Fagales", "family": "Fagaceae", "scientificName": "", "scientificNameAuthorship": "Blume", "genus": "Castanea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William S. Martinus", "recordNumber": "388", "verbatimEventDate": "2010-10-17", "habitat": "Old field.", "occurrenceRemarks": "Several 1 m tall saplings. Two parent trees within 200 feet.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "42.7220444", "decimalLongitude": "-86.1761722", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}