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": ""}
Prescott v      rTxXc 1937-09-15  yavapai  M~YJ   Sporobolus 4 @p  1424710 3lk  524 a@R?!  Sporobolus contract:us D$;U   cJ Poaceae contractus W)x        i Poales   a. r. purchase 2      
{"catalogNumber": "1424710", "order": "Poales", "family": "Poaceae", "scientificName": "Sporobolus contractus", "scientificNameAuthorship": "", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "contractus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. R. Purchase", "recordNumber": "524", "verbatimEventDate": "1937-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Yavapai", "municipality": "", "locality": "Prescott", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}