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": ""}
      open grassy prairie remnant on slope, surrounded by bur oak (  CANADA ov  sioux narrows tp mun, island on s side of regina bay, 2.5 km ese of sioux narrows hwy. 71 br|dge. 4hL+m    POALES at    -| (michx.) torr. BOUTELOUA CURTIPENDULA 5Kk       QYQ Bouteloua     EHcsP curt|pendula     >g P 1406593
{"catalogNumber": "1406593", "order": "Poales", "family": "", "scientificName": "Bouteloua curtipendula", "scientificNameAuthorship": "(Michx.) Torr.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "curtipendula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Open grassy prairie remnant on slope, surrounded by Bur Oak", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "Sioux Narrows Tp Mun, island on S side of Regina Bay, 2.5 km ESE of Sioux Narrows Hwy. 71 bridge.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}