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": ""}
   Bj 1986-12     2497  0_Hj   4  jujuy      Ledesma wc     A. JUSS. V -c$   B>w heteropte+rys sylva.tica SYLVATICA TY   LWD<a Malpighiaceae  malpighiales ~<:    ,  1531898 A. Cialdella, F. Zuloaga, C. Ezcurra, M. Ponce, M. Vazque Avila wx7.a   Contact UM Herbarium irht 
{"catalogNumber": "1531898", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "Heteropterys sylvatica", "scientificNameAuthorship": "A. Juss.", "genus": "", "subgenus": "", "specificEpithet": "sylvatica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Cialdella, F. Zuloaga, C. Ezcurra, M. Ponce, M. Vazque Avila", "recordNumber": "2497", "verbatimEventDate": "1986-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Jujuy", "county": "Ledesma", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}