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": ""}
7206 Ac^^     n#LL sphenopholis obtusata    x_ (MICHX.) SCRIBN.  OBTUSATA LF;      POACEAE  Texas l@m  united states ,O4<    C poales TAYLOR U   ]w Sphenopholis   NEAR ABILEE H   1943-05-09  )S*r   ?W] W. L. TOLSTEAD    i!F 1424545  
{"catalogNumber": "1424545", "order": "Poales", "family": "Poaceae", "scientificName": "Sphenopholis obtusata", "scientificNameAuthorship": "(Michx.) Scribn.", "genus": "Sphenopholis", "subgenus": "", "specificEpithet": "obtusata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. L. Tolstead", "recordNumber": "7206", "verbatimEventDate": "1943-05-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Taylor", "municipality": "", "locality": "Near Abilene", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}