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": ""}
oenothera speciosa bl!       b ONAGRACEAE  fq~JI texas  nutt. M   <3~/o S.N.  /. K speciosa     Vz  contact um herbarium  [ 1508917    DR. HAES 2~     G& 1858-05-10  NO DATA (V5k   
{"catalogNumber": "1508917", "order": "", "family": "Onagraceae", "scientificName": "Oenothera speciosa", "scientificNameAuthorship": "Nutt.", "genus": "", "subgenus": "", "specificEpithet": "speciosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dr. Hayes", "recordNumber": "s.n.", "verbatimEventDate": "1858-05-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "no data", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}