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": ""}
     hiern ex griseb.  Vt         Chuquisaca IYG4    grisebachii y &U2    -20.75 s   Bolivia T   ;R= -63.06667  EHvx loxopterygium grisebachii    0AT viaje realizado por el centro de invest. ecologicas del chaco en colaboracion con el instituto de botanica del nordeste. 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Loxopterygium grisebachii", "scientificNameAuthorship": "Hiern ex Griseb.", "genus": "", "subgenus": "", "specificEpithet": "grisebachii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Viaje realizado por el Centro de Invest. Ecologicas del Chaco en colaboracion con el Instituto de Botanica del Nordeste.", "associatedTaxa": "", "country": "Bolivia", "stateProvince": "Chuquisaca", "county": "", "municipality": "", "locality": "", "decimalLatitude": "-20.75", "decimalLongitude": "-63.06667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}