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": ""}
  21425  pr   l c b 1932-08-04 microtropis gracilipes 0 H    China vF fG      Mei Kaying   Celastraceae R $     r2[(  1104469   z Probably collected in China, but some uncertainty with district  JkO:z microtropis  E  Yam Na Shan [Yit Nga Shan] CELASTRALES jg     MMd0 gracilipes  & GUANGDONG   PK8Z W.T. TSANG
{"catalogNumber": "1104469", "order": "Celastrales", "family": "Celastraceae", "scientificName": "Microtropis gracilipes", "scientificNameAuthorship": "", "genus": "Microtropis", "subgenus": "", "specificEpithet": "gracilipes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.T. Tsang", "recordNumber": "21425", "verbatimEventDate": "1932-08-04", "habitat": "", "occurrenceRemarks": "Probably collected in China, but some uncertainty with district", "associatedTaxa": "", "country": "China", "stateProvince": "Guangdong", "county": "Mei Kaying", "municipality": "", "locality": "Yam Na Shan [Yit Nga Shan]", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}