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": ""}
   rivea hypocrateriformis a y.c  CONVOLVULACEAE 7u3y     hUM rivea 18959 jC Gv    1521787  0x     R<c bihar  Wtalter N. Koelz V,   0Y Ranka   (desr.) choisy fXTi]   x)3e hypocrateriformis  SOLANALES 6FZ$4   pk<s no data  x.i#e in scrub forest  4 ; H india 19472-09-25  s? 
{"catalogNumber": "1521787", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Rivea hypocrateriformis", "scientificNameAuthorship": "(Desr.) Choisy", "genus": "Rivea", "subgenus": "", "specificEpithet": "hypocrateriformis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18959", "verbatimEventDate": "1947-09-25", "habitat": "In scrub forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Bihar", "county": "no data", "municipality": "", "locality": "Ranka", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}