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": ""}
 y (a. gray) irwin & bbarneby    VuIU Rogers McVaugh   kF2[ Fabaceae   Senna pumilio ErQU|     2D -100.703      abundant, flowers golden yellow 6     :DAbr T14803  La Curva; 4.5 mi SE of Coahuila, NW of Providencia, on Saltillo-Matehuala B   25.1568 BO  mexico  vhZw     k+gQ 1957-06-13 senna ! f  
{"catalogNumber": "", "order": "", "family": "Fabaceae", "scientificName": "Senna pumilio", "scientificNameAuthorship": "(A. Gray) Irwin & Barneby", "genus": "Senna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "14803", "verbatimEventDate": "1957-06-13", "habitat": "Abundant, flowers golden yellow", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "La Curva; 4.5 mi SE of Coahuila, NW of Providencia, on Saltillo-Matehuala", "decimalLatitude": "25.1568", "decimalLongitude": "-100.703", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}