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": ""}
1838-05-29 XF   united states *[[i    !>=U michigan JOHN WRIGHT rRgH     e5K port huron    eburnea lt  cyperaceae Ym<zN  -8E2.4242 Lg?:n        d~&d S.N.  N POALES Carex eburnea !|ECn   / st. clair    
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex eburnea", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "eburnea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Wright", "recordNumber": "s.n.", "verbatimEventDate": "1838-05-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "St. Clair", "municipality": "", "locality": "Port Huron", "decimalLatitude": "", "decimalLongitude": "-82.4242", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}