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": ""}
  vb@- r. riina scaber z-($   Euphorbiaceae  <G   Z Eggers     rio catuche, n.w. of caracas >     M-< Venezuela   eDvi MALPIGHIALES       y 181-09-07    72 Croton scaber    croton   4  no data z  
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton scaber", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "scaber", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Riina", "recordedBy": "Eggers", "recordNumber": "", "verbatimEventDate": "1891-09-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Venezuela", "stateProvince": "no data", "county": "", "municipality": "", "locality": "Rio Catuche, N.W. of Caracas", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}