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": ""}
 4`Ag ROCKY SLOP%ES AND ADJACENT SANDY FIELDS  MANIHOT IRWINII      F4w 1642740    d.j.rogers & appan y    tD]r IRWINII   IZ 197211-14 34068 EsQ   SERRA DOS PIRENEUS, CA. 20KM E. OF PIRENOPOLIS rT,PW   pirenopolis n[j          ?; manihot 
{"catalogNumber": "1642740", "order": "", "family": "", "scientificName": "Manihot irwinii", "scientificNameAuthorship": "D.J.Rogers & Appan", "genus": "Manihot", "subgenus": "", "specificEpithet": "irwinii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "34068", "verbatimEventDate": "1972-11-14", "habitat": "Rocky slopes and adjacent sandy fields", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Pirenopolis", "municipality": "", "locality": "Serra dos Pireneus, ca. 20km E. of Pirenopolis", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}