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": ""}
      _k ENTIANALES  ,x-z WALTER N. KOELZ  4O~a 1536779 spermacoce (:+   l.  sh2  semishade ~f[A   ko/w RAMANUJGANJ  z  India  Rx 1947-09-29 19065 k  SPERMACOCE I    Surguja od     g Chhattisgarh   G`b  RUBIACEAE   
{"catalogNumber": "1536779", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Spermacoce", "scientificNameAuthorship": "L.", "genus": "Spermacoce", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "19065", "verbatimEventDate": "1947-09-29", "habitat": "Semishade", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Chhattisgarh", "county": "Surguja", "municipality": "", "locality": "Ramanujganj", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}