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": ""}
  D MALPIGHIALES    1938-01-15 3B   mJ> singapore  A`G;  NO DATA       %N  E. J. H. CORNER     mj bukit timah      z1C#Q central conifera i   1642594 SvR$    
{"catalogNumber": "1642594", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "conifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. J. H. Corner", "recordNumber": "", "verbatimEventDate": "1938-01-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Singapore", "stateProvince": "Central", "county": "no data", "municipality": "", "locality": "Bukit Timah", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}