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": ""}
 8^C PURPURASCENS  J2# CONTACT UM HERBARIUM  /0Kz: R-2    NO DATA +  Rot Island 5X  Walter L. Necker _BE%   5N< POACEAE      1704793 :C5R  Indonesia 2   CENCHRUS PURPURASCENS  S   POALES a    BT thunb. 1945-11  2    CENCHRUS  +;   
{"catalogNumber": "1704793", "order": "Poales", "family": "Poaceae", "scientificName": "Cenchrus purpurascens", "scientificNameAuthorship": "Thunb.", "genus": "Cenchrus", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter L. Necker", "recordNumber": "R-2", "verbatimEventDate": "1945-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Indonesia", "stateProvince": "Rotu Island", "county": "no data", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}