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": ""}
        8]&w 503  MEXICO H 9    PorfirÃ­o ZuÃ±iga RamÃ­rez (Chancaca); 10-15 mi W of Saltillo on Coahuila 40 V       1958-08-19 # _lq     coahuila qX73  Bouteloua  curtipenoula N    -101.238 L  |P  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Bouteloua curtipendula", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "503", "verbatimEventDate": "1958-08-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Coahuila", "county": "", "municipality": "", "locality": "Porfir\u00c3\u00ado Zu\u00c3\u00b1iga Ram\u00c3\u00adrez (Chancaca); 10-15 mi W of Saltillo on Coahuila 40", "decimalLatitude": "", "decimalLongitude": "-101.238", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}