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": ""}
 Z Thunb.             f )!m Treat as cultivated!         r.h. simmons  7   wr2+ 2006-09-15   CIty of Alexandria, Fort Ward Park, old City Nursery, Homest9ead Gardens 1$e`  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Thunb.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.H. Simmons", "recordNumber": "", "verbatimEventDate": "2006-09-15", "habitat": "", "occurrenceRemarks": "Treat as cultivated!", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "CIty of Alexandria, Fort Ward Park, old City Nursery, Homestead Gardens", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}