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": ""}
  hainan u b    Macaranga denticulata ,u XV   j.d1  427 malpiGghiales PmG    5[&a6 Euphorbiaceae    ; Mu yaichow O DATA X(    1MMSG Macaranga y f F. C. HOW  S CHINA denticulata 3Y.    / 70457   JN B IN WO0DS  1 MÃ¼LL. ARG.  t 1642602  1933-03 B~  
{"catalogNumber": "1642602", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Macaranga denticulata", "scientificNameAuthorship": "M\u00c3\u00bcll. Arg.", "genus": "Macaranga", "subgenus": "", "specificEpithet": "denticulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. C. How", "recordNumber": "70457", "verbatimEventDate": "1933-03", "habitat": "in woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "Hainan", "county": "no data", "municipality": "", "locality": "Yaichow", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "427", "maximumElevationInMeters": ""}