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": ""}
 1951-05-10 +    gentianales ;  walter n. koelsz 4     +/F9I tabernaemontana divaricata    tabernaemontana    q;  1521379  ASSArM <nGJ  Cachar 4^*oJ   x+d6c APOCYNACEAE   pbP OPEN FOREST  c Laikul   V india  DY4= 610  R.Br. ex Roem. & Schult. 9p)8  DIVARICATA XWL=x  27985 4vtc  
{"catalogNumber": "1521379", "order": "Gentianales", "family": "Apocynaceae", "scientificName": "Tabernaemontana divaricata", "scientificNameAuthorship": "R.Br. ex Roem. & Schult.", "genus": "Tabernaemontana", "subgenus": "", "specificEpithet": "divaricata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "27985", "verbatimEventDate": "1951-05-10", "habitat": "Open forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Cachar", "municipality": "", "locality": "Laikul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}