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": ""}
    n6]7L POALES  panicum laxum  4;    |D6A  Sw.  dQZ0 1957-08-29  % Poaceae R OGERS MCVAUGH #4K   PANICUM Z.w9/   laxum YJ   bpt- 1126482  CONTACT UM HERBARIUM n#Pi3       MEXICO >=   16540 d  
{"catalogNumber": "1126482", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum laxum", "scientificNameAuthorship": "Sw.", "genus": "Panicum", "subgenus": "", "specificEpithet": "laxum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "16540", "verbatimEventDate": "1957-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}