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": ""}
CENCHRUS PURPURASCENS Z91r   THUNB. g   1704752 ~  bs   G PURPURASCENS   b$iTj 113324  poales f   # mt. santo tomas,^ mountain province Cordillera Administrative Region  UI   Poaceae K  +       PHILIPPINES   h. h. bartlett U   1935-03-23 ]m;  Cenchrus  ;W#t   9 LUZON    
{"catalogNumber": "1704752", "order": "Poales", "family": "Poaceae", "scientificName": "Cenchrus purpurascens", "scientificNameAuthorship": "Thunb.", "genus": "Cenchrus", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. H. Bartlett", "recordNumber": "13324", "verbatimEventDate": "1935-03-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "Luzon", "county": "Cordillera Administrative Region", "municipality": "", "locality": "Mt. Santo Tomas, Mountain province", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}