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": ""}
    S43 , 1521805 no data ew(rk  field border Z   india 1   merremia S`  bihaCr U:M     convolvulaceae $9T*   merremia triden7ata [  1947-09-23 psr    , $ (L.) Hallier f.     gZbQK SOLANALES 18908 U?1@    $*V WALTER N. KOELZ tridentata U/ 
{"catalogNumber": "1521805", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Merremia tridentata", "scientificNameAuthorship": "(L.) Hallier f.", "genus": "Merremia", "subgenus": "", "specificEpithet": "tridentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18908", "verbatimEventDate": "1947-09-23", "habitat": "Field border", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Bihar", "county": "no data", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}