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": ""}
   $MU PARAGUAY  contact um herbarium Sf  1980-08-16 iwm   PERO JUAN CABALLERO s   p A. JUSS. tomentosa W<D  Malpighiales N4Y  amambay LI-   ]U Z malpighiaceae         n& Xs 1531998 Heteropterys tomentosa 3    $CMH 20179   3 Heteropterys   
{"catalogNumber": "1531998", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "Heteropterys tomentosa", "scientificNameAuthorship": "A. Juss.", "genus": "Heteropterys", "subgenus": "", "specificEpithet": "tomentosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "20179", "verbatimEventDate": "1980-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Paraguay", "stateProvince": "Amambay", "county": "Pedro Juan Caballero", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}