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": ""}
  15917  e7$   4 CYPERACEAE  1250 BP*     qU`C^ crook   Carex &LTXU   k_X.K gravida    )[a L. H. Bailey  R black hills, ca 7 air mi n of hulett.   pi United States   ]o 1372134   A]v wyoming   l^( ronald l. hartman   poales  _>  
{"catalogNumber": "1372134", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "L. H. Bailey", "genus": "Carex", "subgenus": "", "specificEpithet": "gravida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ronald L. Hartman", "recordNumber": "15917", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wyoming", "county": "Crook", "municipality": "", "locality": "Black Hills, ca 7 air mi N of Hulett.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1250", "maximumElevationInMeters": ""}