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": ""}
 @ 4 (Blume) MÃ¼ll.Arg.  mallotus floribundus FK       748 floribundus  (   Philippines $n:]:  940-12-09 FC  MALLOTUS  dt    U Malpighiales   zamboanga sibugay +3    AT  1644893    Kumayo Mountain, near Kabasalan   ?aH       
{"catalogNumber": "1644893", "order": "Malpighiales", "family": "", "scientificName": "Mallotus floribundus", "scientificNameAuthorship": "(Blume) M\u00c3\u00bcll.Arg.", "genus": "Mallotus", "subgenus": "", "specificEpithet": "floribundus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "748", "verbatimEventDate": "1940-12-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "", "county": "Zamboanga Sibugay", "municipality": "", "locality": "Kumayo Mountain, near Kabasalan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}