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": ""}
                   =ozs 1981-05-31 About 50 m west o county road northeast of Holiday, about 15 m north of old land leading west from the road. E   trs: t9n r3e sec 13 ne1/4  34/    :d, Carex retroflexa   R?$S- C-12x864 POALES vX#R3 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex retroflexa", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "C-12864", "verbatimEventDate": "1981-05-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "About 50 m west of county road northeast of Holiday, about 15 m north of old land leading west from the road.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T9N R3E sec 13 NE1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}