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": ""}
  F6h! TEXAS  (^^ euphorbiaceae   l pottsii    u 1543559   _r $[ Foliage gray-green, pistils cream, calyx gray-green   g P. E. BERRY 18648 ?  g   # jyP var.      BREWSTER 8 xU0    U5>tu Eula Whitehouse pottsii  o+=   rJ?J rocky sandy soil     E 3 malpighiales
{"catalogNumber": "1543559", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "pottsii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pottsii", "identifiedBy": "P. E. Berry", "recordedBy": "Eula Whitehouse", "recordNumber": "18648", "verbatimEventDate": "", "habitat": "rocky sandy soil", "occurrenceRemarks": "Foliage gray-green, pistils cream, calyx gray-green", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}