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": ""}
        $H4_S 6605   euphorbiaceae 88   k%  W. Y. Chun   0yUR& (Lam.) M??ll.Arg  PANICULATUS g-X   Hong Kong @     E9X3 N|O DATA PROVDED O LABEL OF CATALOG NO: 1644998  _+. no data  malpighiales f   > mallotus paniculatus  a K-G 1644998 
{"catalogNumber": "1644998", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Mallotus paniculatus", "scientificNameAuthorship": "(Lam.) M??ll.Arg.", "genus": "", "subgenus": "", "specificEpithet": "paniculatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. Y. Chun", "recordNumber": "6605", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Hong Kong", "stateProvince": "no data", "county": "", "municipality": "", "locality": "no data provided on label of catalog no: 1644998", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}