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": ""}
  QCm 16.84208    5kXY mexico   MÃ¼LL.ARG. kQyV    ) Croton 4707 _6   hVo MALPIGHIALES EUPHORBIACEAE xe ~   Q  -99.91421 1948-08-21 9+8      ilY SHRUB CqA. 4 FT.; BARK LIGHT TAN, SOMEWHAT CORKY   Z GUERRERO    uIe cladotrichus   h.e. moore, jr. O8VQ   
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "M\u00c3\u00bcll.Arg.", "genus": "Croton", "subgenus": "", "specificEpithet": "cladotrichus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H.E. Moore, Jr.", "recordNumber": "4707", "verbatimEventDate": "1948-08-21", "habitat": "", "occurrenceRemarks": "Shrub ca. 4 ft.; bark light tan, somewhat corky", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guerrero", "county": "", "municipality": "", "locality": "", "decimalLatitude": "16.84208", "decimalLongitude": "-99.91421", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}