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": ""}
   % J. M. Macfarlane     r57 1660541 ARRACENIA ~V        united states tZ   sarracenigaceae _1:-  ericales ;    Sarracenia leucophylla e     g`~ LEUCOPHYLLA   fwok Alabama   9^I ["N.C" ON LABEL IS SURELV A SLIP] 
{"catalogNumber": "1660541", "order": "Ericales", "family": "Sarraceniaceae", "scientificName": "Sarracenia leucophylla", "scientificNameAuthorship": "", "genus": "Sarracenia", "subgenus": "", "specificEpithet": "leucophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. M. Macfarlane", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[\"N.C\" on label is surely a slip]", "associatedTaxa": "", "country": "United States", "stateProvince": "Alabama", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}