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": ""}
  y^ T7S, R4W, NW CORNER SECTION 5; E. SIDE S. MOST OF DENTON LAK3S. ABOUT 21 KM SW OF HILLSDAL;E.     uu 7r 1989-07-21        "corol+la yellow." 0Tx   41.83514      ]  united states  1143 M   lentibulariaceae O$u   37)vW UTRICULARIA   Z-n FREQUENT, FLOATING IN SHALLOW WATER OF LAKE NEAR A BOGGY AREA.   
{"catalogNumber": "", "order": "", "family": "Lentibulariaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Utricularia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1143", "verbatimEventDate": "1989-07-21", "habitat": "Frequent, floating in shallow water of lake near a boggy area.", "occurrenceRemarks": "\"Corolla yellow.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "T7S, R4W, NW corner section 5; E. side S. most of Denton Lakes. About 21 km SW of Hillsdale.", "decimalLatitude": "41.83514", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}