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": ""}
SHRUB, 7'; RACTS WHITE; BRANGHES SPINDLY Z7  R. A. Howard 8(W`    Ho- 15014    4Qw_- MIAMI-DADE  Xac  1662686  8Q LEUCOCEPHALA   ]E9 Euphorbiaceae  cultivated, fairchild %tropic_al garden ^n     J@) FLORIDA  ./ EUPHORBIA ElUPyHORBIA LEUCOCEPHALA O;5R   B_jCe LOTSY  Aruz 160-01-03       malpighiales < 
{"catalogNumber": "1662686", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia leucocephala", "scientificNameAuthorship": "Lotsy", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "leucocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. A. Howard", "recordNumber": "15014", "verbatimEventDate": "1960-01-03", "habitat": "", "occurrenceRemarks": "Shrub, 7'; bracts white; branches spindly", "associatedTaxa": "", "country": "", "stateProvince": "Florida", "county": "Miami-Dade", "municipality": "", "locality": "Cultivated, Fairchild Tropical Garden", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}