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": ""}
(WALTER) BRITTON L>     8aP6% 13160   0:|  BRASSICACEAE Descurainia pi>nnata `+Hf^q      S contact um herbarium  1271820 8      BL MEXICO  A.C. Sanders - Zd      M 1993-03-15   pinnata ^P p    
{"catalogNumber": "1271820", "order": "", "family": "Brassicaceae", "scientificName": "Descurainia pinnata", "scientificNameAuthorship": "(Walter) Britton", "genus": "", "subgenus": "", "specificEpithet": "pinnata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.C. Sanders", "recordNumber": "13160", "verbatimEventDate": "1993-03-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}