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": ""}
BENTH. &kF   em! pubescens     3284 zn    >i fabales   <QU centrosemia Centrosema pubescens -          (t*M mexico fabaceae : ]   c<]g h. galeotti  y4K-z 1151894   9zDs6 CONTACT UM HERBARIUM  F) 1840  
{"catalogNumber": "1151894", "order": "Fabales", "family": "Fabaceae", "scientificName": "Centrosema pubescens", "scientificNameAuthorship": "Benth.", "genus": "Centrosema", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Galeotti", "recordNumber": "3284", "verbatimEventDate": "1840", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}