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": ""}
  UNIED STATES M     lpEc sol. grpm 43269  HA      RICH WO ODS AND ALONG STREAMS  + T    ;n_)7 Biltmore  NOT EVIDENT 72   > north carolina S.N. ;L?  1896-05-02 2:T-  1506141 R   sapindaceae  soVE    U zx Sapindales  =:vc  FLAVA  Aesculus ? 3i 
{"catalogNumber": "1506141", "order": "Sapindales", "family": "Sapindaceae", "scientificName": "", "scientificNameAuthorship": "Sol.", "genus": "Aesculus", "subgenus": "", "specificEpithet": "flava", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Not evident", "recordNumber": "s.n.", "verbatimEventDate": "1896-05-02", "habitat": "Rich woods and along streams", "occurrenceRemarks": "GRPM 43269", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "", "municipality": "", "locality": "Biltmore", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}