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": ""}
 _=B_= VAR.   i 19.5l451  1148680 pM        x  CASIMIRO CASTILLO steep rounded hills, savannah-like vegetation dominated by heteropogon and other grasses, with occasional plant of byrsonima, occasvional. y~Tym     21080 (RQ    #` AESCHYNOMENE HISTRIX VAR. HISTRIX   rogers mcvaugh u/   1960-11-16 ,  FABACEAE Yh    
{"catalogNumber": "1148680", "order": "", "family": "Fabaceae", "scientificName": "Aeschynomene histrix var. histrix", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "21080", "verbatimEventDate": "1960-11-16", "habitat": "Steep rounded hills, savannah-like vegetation dominated by Heteropogon and other grasses, with occasional plant of Byrsonima, occasional.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Casimiro Castillo", "municipality": "", "locality": "", "decimalLatitude": "19.5451", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}