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": ""}
 .! a. g. schulz  ) contact um herbarium   Ol@f DUMETORUM Argentina &0 UX  MALPIGHIACEAE  S6Sn     @ g 1948-10-21 La ViÃ±a $1q*      heteropterys dumetorum kaq6[  salta g     az& MALPIGHIALES   1529840 $m k8   7341 =   6 NIED  HETEROPTERYS V 
{"catalogNumber": "1529840", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "Heteropterys dumetorum", "scientificNameAuthorship": "Nied.", "genus": "Heteropterys", "subgenus": "", "specificEpithet": "dumetorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. G. Schulz", "recordNumber": "7341", "verbatimEventDate": "1948-10-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Argentina", "stateProvince": "Salta", "county": "La Vi\u00c3\u00b1a", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}