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": ""}
carex X   J.R. Churchill +U     U boeckeler    b5amR carex michauxiana  j/ UNITED STATES  1921-06-09 fJ*)G     N` r frankln  ashfield.  =5za    1378733 He   s.n. r      >W- ~ POALES MASSACHUSE7T$S F   ;O  CYPERACEAE
{"catalogNumber": "1378733", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex michauxiana", "scientificNameAuthorship": "Boeckeler", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J.R. Churchill", "recordNumber": "s.n.", "verbatimEventDate": "1921-06-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Franklin", "municipality": "", "locality": "Ashfield.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}