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": ""}
 Howard S. Gentry 2q    N  Contact UM Herbarium     1182280 o=D   uT Fabales  LWlF obtusifolia     W8&WZ mexico  `h~cN senna   m FABACEAE  x?5@r 6639 (L.) H. S. IRWIN & BARNEBY B      1941-09-15 H     T0]m Senna obtusifolia
{"catalogNumber": "1182280", "order": "Fabales", "family": "Fabaceae", "scientificName": "Senna obtusifolia", "scientificNameAuthorship": "(L.) H. S. Irwin & Barneby", "genus": "Senna", "subgenus": "", "specificEpithet": "obtusifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "6639", "verbatimEventDate": "1941-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}