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": ""}
 poales 5.=?  ENGEL. D6IY   -83.806645 o&>%   6$t%= sparganium eurycarpum UNITED STATES 6    <)W` [Sampl taken for pollen and spore coll R.O.Kapp 2/22/57] 1269451 k )<o      eurycarpum k2T   k0c!H 1915-08-07          L FORESTRY FARM, ANN ARBOR  
{"catalogNumber": "1269451", "order": "Poales", "family": "", "scientificName": "Sparganium eurycarpum", "scientificNameAuthorship": "Engelm.", "genus": "", "subgenus": "", "specificEpithet": "eurycarpum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1915-08-07", "habitat": "", "occurrenceRemarks": "[Sample taken for pollen and spore coll R.O.Kapp 2/22/57]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Forestry Farm, Ann Arbor", "decimalLatitude": "", "decimalLongitude": "-83.806645", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}