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": ""}
  1647039 |   zO4a 1667   SILTEPEC pA3h       @ e. matuda  3r purpurata  N= Bletia toquillan C    oWnO ORCHIDACEAE   >zY R A.RICH. & GALEOTTI     6- BLETIA PURPURATA   CHIAPAS  T)   
{"catalogNumber": "1647039", "order": "", "family": "Orchidaceae", "scientificName": "Bletia purpurata", "scientificNameAuthorship": "A.Rich. & Galeotti", "genus": "Bletia", "subgenus": "", "specificEpithet": "purpurata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. Matuda", "recordNumber": "1667", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Chiapas", "county": "Siltepec", "municipality": "", "locality": "Toquillan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}