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": ""}
 r?J  tonsa    Dhf5 manistique, railway yards, near rail station.         Mid ANTON A. REZNICEK   United States X   H/ML C2AREX  u6W,  1981-06-21  :+ "Single large clump, leaves erect, very stiff an hard." [=var. tonsa] Michigan rQ@x    45.96555 /^   y:a schoolcraft (FMERNALD) E. P&. BICKNELL |/R  -86.25612 okdIo    KnV3 Carex tonsa
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex tonsa", "scientificNameAuthorship": "(Fernald) E. P. Bicknell", "genus": "Carex", "subgenus": "", "specificEpithet": "tonsa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "1981-06-21", "habitat": "", "occurrenceRemarks": "\"Single large clump, leaves erect, very stiff and hard.\" [=var. tonsa]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "Manistique, railway yards, near rail station.", "decimalLatitude": "45.96555", "decimalLongitude": "-86.25612", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}