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": ""}
 2 united states  ,I3fU 1879-07-12 cornus 7  SERICEA I,m4~    Co fredn h. horsford     1509036 FiZ    %K( Cornus sericea GRPM 44302 @;     ) Cornaceae 2974 s$     X charlotte  chittenden Uk|*    cornales l   os L. Vermont U u 
{"catalogNumber": "1509036", "order": "Cornales", "family": "Cornaceae", "scientificName": "Cornus sericea", "scientificNameAuthorship": "L.", "genus": "Cornus", "subgenus": "", "specificEpithet": "sericea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fred H. Horsford", "recordNumber": "2974", "verbatimEventDate": "1879-07-12", "habitat": "", "occurrenceRemarks": "GRPM 44302", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "Chittenden", "municipality": "", "locality": "Charlotte", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}