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": ""}
  (R euphorbia heterophylla  @ UNITED STATES      1974-01-15  L. 0M    Florida     LEE = 8,V  Sanibel Botanical Garden, Eastern Sanibel Islan | kf  HETEROPHYLLA 51Pi-   Ac?W  Malpighiales  l O W.C. Brumbach  t_  mark h. mayfield 1248555 -VW#    Rwc A nurser^y weed    ~ 8485 plant about 1 m tall; flowers inconspicuous; bases of upper leaves whitish 0~$ J     y euphorbiaceae   s EUPHORBIA
{"catalogNumber": "1248555", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia heterophylla", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark H. Mayfield", "recordedBy": "W.C. Brumbach", "recordNumber": "8485", "verbatimEventDate": "1974-01-15", "habitat": "A nursery weed", "occurrenceRemarks": "Plant about 1 m tall; flowers inconspicuous; bases of upper leaves whitish", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Lee", "municipality": "", "locality": "Sanibel Botanical Garden, Eastern Sanibel Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}