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": ""}
 1426468 vXkZ    CONTACT UM HERBARIUM *   [x%/7 BRAZORIA  3 kTq POALES    !0% PURPUREUS  poaceae 2VU     !Q 1945-11-22  E Cenchrus   KQ=kO texas   /( cenchrus purpureus (schumach.) morrone 9>1    c=Ihr 51072   V. L. CORY ^hX  
{"catalogNumber": "1426468", "order": "Poales", "family": "Poaceae", "scientificName": "Cenchrus purpureus", "scientificNameAuthorship": "(Schumach.) Morrone", "genus": "Cenchrus", "subgenus": "", "specificEpithet": "purpureus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "V. L. Cory", "recordNumber": "51072", "verbatimEventDate": "1945-11-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "Brazoria", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}