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": ""}
   U shale hill, with brush. 4665  ?       Y(N^  TAMAULIPAS    1959-11-12 DQ m?  24.5927 l#w   Bouteloua hirsuta 2z]  MEXICO Um6@7   poaceae B C,)    LAG.  aZw    ]zNR POALES bouteloua zU_Y  J. Graham & M. Johnston *K?y    OV+Y -99.586   1118485 ek5J; 
{"catalogNumber": "1118485", "order": "Poales", "family": "Poaceae", "scientificName": "Bouteloua hirsuta", "scientificNameAuthorship": "Lag.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Graham & M. Johnston", "recordNumber": "4665", "verbatimEventDate": "1959-11-12", "habitat": "Shale hill, with brush.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Tamaulipas", "county": "", "municipality": "", "locality": "", "decimalLatitude": "24.5927", "decimalLongitude": "-99.586", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}