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": ""}
52307 7^y?  POACEAE       @=W POALES     % unitedstates  u  /% 1946-09-13  >4 XM Schizachyrium scoparium      o4 RK SCHIZACHYRIUM   .9H SCOPARIUM (michx.) nash w]   1423365 xY        (J< 2 miles northeast of Ennis Texas 8T+[B  
{"catalogNumber": "1423365", "order": "Poales", "family": "Poaceae", "scientificName": "Schizachyrium scoparium", "scientificNameAuthorship": "(Michx.) Nash", "genus": "Schizachyrium", "subgenus": "", "specificEpithet": "scoparium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "52307", "verbatimEventDate": "1946-09-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "2 miles northeast of Ennis", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}