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": ""}
    (Roxb.) C.B.Clarke DRo   Y[Z Premna latifolia var. mucronata  t[ `D PREMNA   Va 1950-05-O1   &7 L9 1520569   walter n. koelz n|=+   MUCRONATA  ]$      ),0 Lamiaceae  India ,W   R 25137      0 IE VAR. GOALPARA [*  
{"catalogNumber": "1520569", "order": "", "family": "Lamiaceae", "scientificName": "Premna latifolia var. mucronata", "scientificNameAuthorship": "(Roxb.) C.B.Clarke", "genus": "Premna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "mucronata", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "25137", "verbatimEventDate": "1950-05-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "Goalpara", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}