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": ""}
1983-07-31 [E   OW^ MICHIGAN   $u2D NE SIDE CHILSON RD., 4 MILES W OF BRIGHTON. Poales 4G          9z- carex -83.88515 yZG   rou`A boott   &`8 7229    @Rz Anton A. Reznicek    W CYPERACEAE     1329939 7 
{"catalogNumber": "1329939", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Boott", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "7229", "verbatimEventDate": "1983-07-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "NE side Chilson Rd., 4 miles W of Brighton.", "decimalLatitude": "", "decimalLongitude": "-83.868515", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}