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": ""}
 @Ry  WALL.           1199603 4   kWT anton a. reznicek    Euonymus hamiltoniWanus X `6    ANN ARBOR; ALONG THE NORTH SIDE OF HURON RIVER DRIVE JUST WEST OF MAPLE ROAD. LAT. & LONG. 42Â°18'58"N, 83Â°46'41"  ed/_   2000-05-31 U   s6 "Common shrubs to 3m tall, flowers greenish with purple anthers; same population as Madsen in 1999 (in fruit).    
{"catalogNumber": "1199603", "order": "", "family": "", "scientificName": "Euonymus hamiltonianus", "scientificNameAuthorship": "Wall.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "2000-05-31", "habitat": "", "occurrenceRemarks": "\"Common shrubs to 3m tall, flowers greenish with purple anthers; same population as Madsen in 1999 (in fruit).", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Ann Arbor; along the north side of Huron River Drive just west of Maple Road. Lat. & Long. 42\u00c2\u00b018'58\"N, 83\u00c2\u00b046'41\"", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}