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": ""}
   R7AP  China  x|X<N tiglium kwantng college of traditional chinese medicine ~HR.   cultivated in Medicinal plant garden S?z,!   MALPIGHIALES A V    OrP CROTON  /zU shiu ying hu  /Y8J SMALL TREE, 10M. TALL; SEED A STRONG CATH4RITC     w l.  D& 13970  1981-01-21 [M   $Sr6X Euphorbiaceae Guangzhou >] _  Guangdong *    1543063 nVRt  
{"catalogNumber": "1543063", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Croton", "subgenus": "", "specificEpithet": "tiglium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Shiu Ying Hu", "recordNumber": "13970", "verbatimEventDate": "1981-01-21", "habitat": "cultivated in Medicinal plant garden", "occurrenceRemarks": "Small tree, 10m. tall; seed a strong catharitc", "associatedTaxa": "", "country": "China", "stateProvince": "Guangdong", "county": "Guangzhou", "municipality": "", "locality": "Kwantung College of Traditional Chinese Medicine", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}