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": ""}
L. 6q  apocynaceae SZ    ) U8  gentianales  n santo domingo asclepias nivea S6w   t CUBA    ) -6/ 1908-02-28    #Xqf 1521515   NIVEA IwQi>   g s.n.   NWBt GRPM 51502  EMMA J. COLE fkId^  Villa Clara q   ASCLEPIAS +j   SANTO DOM|NGO  g.   
{"catalogNumber": "1521515", "order": "Gentianales", "family": "Apocynaceae", "scientificName": "Asclepias nivea", "scientificNameAuthorship": "L.", "genus": "Asclepias", "subgenus": "", "specificEpithet": "nivea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "s.n.", "verbatimEventDate": "1908-02-28", "habitat": "", "occurrenceRemarks": "GRPM 51502", "associatedTaxa": "", "country": "Cuba", "stateProvince": "Villa Clara", "county": "Santo Domingo", "municipality": "", "locality": "Santo Domingo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}