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": ""}
triadica  | ~     GUANGDONG <      n7R  malpighiales | Mx ang Shan, and vicinity   ^VH) (HEMSL.) ESSER    Lk6 E. D. Merrill  Y.` qingyuan   T. M. Tsui     f 1932-07   1645560 k Rm     w 481 rotundifolia  )Q q  
{"catalogNumber": "1645560", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "(Hemsl.) Esser", "genus": "Triadica", "subgenus": "", "specificEpithet": "rotundifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. D. Merrill", "recordedBy": "T. M. Tsui", "recordNumber": "481", "verbatimEventDate": "1932-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Guangdong", "county": "Qingyuan", "municipality": "", "locality": "Yang Shan, and vicinity", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}