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": ""}
massachusetts   C       C INVOLUCRATA      [ Emma J. Cole united states yb  banks ex spreng. ;          s.n. ec   = CULTIVATED  mW?* Suffolk 1536834 w,   | 1904-06-28     ja boston(arnold arboretum); alaska 
{"catalogNumber": "1536834", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Banks ex Spreng.", "genus": "", "subgenus": "", "specificEpithet": "involucrata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "s.n.", "verbatimEventDate": "1904-06-28", "habitat": "", "occurrenceRemarks": "Cultivated", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Suffolk", "municipality": "", "locality": "Boston (Arnold Arboretum); Alaska", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}