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": ""}
  Panicum trichanthum h%D     116925 ?    &z 3z Contact UM Herbarium  jerzy rzedowski W     = POALES   [jDz$ TRICHANTHUM  d!i  jerzy rzedowski   JFpP! 1956-01-20 mexico (nlj      Poaceae  3bs   t panicum   y% 7002 
{"catalogNumber": "1126925", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum trichanthum", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "trichanthum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jerzy Rzedowski", "recordedBy": "Jerzy Rzedowski", "recordNumber": "7002", "verbatimEventDate": "1956-01-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}