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": ""}
  Orchidaceae          knB  Raf.    2016-08-18       %C 1740      ASPARAGALES n.Aj       in sandy formely tilled barrens. associates: carex pensylvanica, piptochaetium avenaceum, prunus serotina, quercus velutina, rubus fagellaris, schizachyrium scoparium. y<z  
{"catalogNumber": "", "order": "Asparagales", "family": "Orchidaceae", "scientificName": "", "scientificNameAuthorship": "Raf.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1740", "verbatimEventDate": "2016-08-18", "habitat": "In sandy formerly tilled barrens. Associates: Carex pensylvanica, Piptochaetium avenaceum, Prunus serotina, Quercus velutina, Rubus flagellaris, Schizachyrium scoparium.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}