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": ""}
  SYSZ -100.545  s+ 1952-06-23   9 1~ Mexico   POALES  Mrvh        6448 daI@z    MELICA #tZ    28.7026 >O_9W  FRANK; W. GOULD ~DM*B  MELICA MUTICA r   .Z walter   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Melica mutica", "scientificNameAuthorship": "Walter", "genus": "Melica", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank W. Gould", "recordNumber": "6448", "verbatimEventDate": "1952-06-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "28.7026", "decimalLongitude": "-100.545", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}