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": ""}
     KD<: 3961       Si Mandi Angin (on the Soengei Kanan: Topographic Sheet 41, Southeast quarter) (     L NORTH SUMATRA 1740330 C=U6      gs MERR. magnoliales aCL       aF horsfieldia bivalvis  
{"catalogNumber": "1740330", "order": "Magnoliales", "family": "", "scientificName": "Horsfieldia bivalvis", "scientificNameAuthorship": "Merr.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3961", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "North Sumatra", "county": "", "municipality": "", "locality": "Si Mandi Angin (on the Soengei Kanan: Topographic Sheet 41, Southeast quarter)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}