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": ""}
    (a. gray) irwin & barneby C$6   1181887 A   -99.3087 a1/         o  M-207    w:*cX fabales  I HETIE M. CHUTE  8? 1941-07-12    YFgY sennta   
{"catalogNumber": "1181887", "order": "Fabales", "family": "", "scientificName": "", "scientificNameAuthorship": "(A. Gray) Irwin & Barneby", "genus": "Senna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hettie M. Chute", "recordNumber": "M-207", "verbatimEventDate": "1941-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-99.3087", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}