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": ""}
  ea)Z myrtales   s.n.  &~M    emma j. cole Q7G    $C(%K2 1508799 middlesex  W7]    pulchella q:      H  MASSACHUSETTS  k united states  R% 1904-07-14  x@Ot? gray botanic garden, cambridge [front label]; boston (cambridge botanic garden) [back label]  nfLR, CLARKIA PULCHELLA GRPM 52747  V .     L;W Clarkia PURSH F   L ONAGRACEAE 
{"catalogNumber": "1508799", "order": "Myrtales", "family": "Onagraceae", "scientificName": "Clarkia pulchella", "scientificNameAuthorship": "Pursh", "genus": "Clarkia", "subgenus": "", "specificEpithet": "pulchella", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "s.n.", "verbatimEventDate": "1904-07-14", "habitat": "", "occurrenceRemarks": "GRPM 52747", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Gray Botanic Garden, Cambridge [front label]; Boston (Cambridge Botanic Garden) [back label]", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}