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": ""}
  x19MV (WALL.) HOOK.F.  EVL7 27842 SAPROSMA TERNATA K @ #  cachar q   !J Forest   1G536673 NFkJs   1951-05-01 & A7*    Assam           UG< Laikul  %J India     JY  SAPROSMA    9O rubiaceae ternata >< `d 
{"catalogNumber": "1536673", "order": "", "family": "Rubiaceae", "scientificName": "Saprosma ternata", "scientificNameAuthorship": "(Wall.) Hook.f.", "genus": "Saprosma", "subgenus": "", "specificEpithet": "ternata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "27842", "verbatimEventDate": "1951-05-01", "habitat": "Forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Cachar", "municipality": "", "locality": "Laikul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}