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": ""}
Merritt L. Fernald Ox>    4 penobscot  CAREX OLIGOSPERMA y  1381374 Wy   3 MICHX.  52 hcqsA    LC maine United States x[!       1893-06-23  #X~    oligosperma G>Vm#    %z Carex      Poales D . 
{"catalogNumber": "1381374", "order": "Poales", "family": "", "scientificName": "Carex oligosperma", "scientificNameAuthorship": "Michx.", "genus": "Carex", "subgenus": "", "specificEpithet": "oligosperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Merritt L. Fernald", "recordNumber": "52", "verbatimEventDate": "1893-06-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maine", "county": "Penobscot", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}