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": ""}
   SYMPHYOTRICHUM SUBULATUM 5F7    DO S. SUNDBERG  / HC5 1901-10-02  9;  65  ~ 1108892            cambridge, margin of salt marsh @   tiI middlesex  Massachusetts N/b#7   
{"catalogNumber": "1108892", "order": "", "family": "", "scientificName": "Symphyotrichum subulatum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "S. Sundberg", "recordedBy": "", "recordNumber": "65", "verbatimEventDate": "1901-10-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Cambridge, margin of salt marsh", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}