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": ""}
 1660437 M  DROSERACEAE vL&R%   S. S. GARRIGUES P)o G  1849 $u  Berlin :9           A( drosera    HV2 6 GERMANY   wH Y Berlin     Y L. DROSERA ROTUNDIFOLIA 8-  CARYOPHYLLALES ,2_    
{"catalogNumber": "1660437", "order": "Caryophyllales", "family": "Droseraceae", "scientificName": "Drosera rotundifolia", "scientificNameAuthorship": "L.", "genus": "Drosera", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. S. Garrigues", "recordNumber": "", "verbatimEventDate": "1849", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Germany", "stateProvince": "Berlin", "county": "", "municipality": "", "locality": "Berlin", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}