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": ""}
    u H Steep slopes, limestone talus and riversides by road    `FML Senna obtusifolia 1949-10-04 /`i1g   17.7743 |+   Igi  mexico   5220 (:-m   U? 823    Gnf_w senna  OBTUSIFYLIA %       Bag 1182277  
{"catalogNumber": "1182277", "order": "", "family": "", "scientificName": "Senna obtusifolia", "scientificNameAuthorship": "", "genus": "Senna", "subgenus": "", "specificEpithet": "obtusifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5220", "verbatimEventDate": "1949-10-04", "habitat": "Steep slopes, limestone talus and riversides by road", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "17.7743", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "823", "maximumElevationInMeters": ""}