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": ""}
 Tourane is on th3 coast about 100 kilometers south of Hue ]+    IN HEDGES ABOUT DWELLING $ /    Euphor8iaceae g4f   1666757 xiS    acalypha siamensis `dy  vietnam O4  oliv. ex gage >dA  no data D*  3669 :v     61+?. 1927-05     sg siamensis    
{"catalogNumber": "1666757", "order": "", "family": "Euphorbiaceae", "scientificName": "Acalypha siamensis", "scientificNameAuthorship": "Oliv. ex Gage", "genus": "", "subgenus": "", "specificEpithet": "siamensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3669", "verbatimEventDate": "1927-05", "habitat": "In hedges about dwelling", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Vietnam", "stateProvince": "", "county": "no data", "municipality": "", "locality": "Tourane is on the coast about 100 kilometers south of Hue", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}