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": ""}
 1981-07-24      nardina  Uu      _Q.W Cyperaceae  : Carex nardina   %6b= NORD-DU-QUEBEC QUEBEC Ck   -72.866667 +[uVs   @ 61.733333 canada SB,qW     wm Tablier d'une route en contruction; substrat sablo-graveleux  `B9 1430190  .  61Â°44'00"N, 72Â°52'00"O   Carex LC=$   Fr.  3`6 
{"catalogNumber": "1430190", "order": "", "family": "Cyperaceae", "scientificName": "Carex nardina", "scientificNameAuthorship": "Fr.", "genus": "Carex", "subgenus": "", "specificEpithet": "nardina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1981-07-24", "habitat": "Tablier d'une route en contruction; substrat sablo-graveleux", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Quebec", "county": "Nord-du-Quebec", "municipality": "", "locality": "", "decimalLatitude": "61.733333", "decimalLongitude": "-72.866667", "verbatimCoordinates": "61\u00c2\u00b044'00\"N, 72\u00c2\u00b052'00\"O", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}