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": ""}
1976-07-26 o    AV~W Iridaceae 4703 J   ANTON A. REZNICEK RMAm   sisyrinchium [.a  ASPARAGALES 0          U=^ ONTARIO Sisyrinchium angustifolium y*e   P WD ANGUSTIFOLIUM  xKx#* canada mill. ^4>.   contact um herbarium ? |   K jq 1286938    
{"catalogNumber": "1286938", "order": "Asparagales", "family": "Iridaceae", "scientificName": "Sisyrinchium angustifolium", "scientificNameAuthorship": "Mill.", "genus": "Sisyrinchium", "subgenus": "", "specificEpithet": "angustifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "4703", "verbatimEventDate": "1976-07-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}