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": ""}
 U cyperaceae  michigan O,   D anton a. reznicek  SCIRPUS ATROVIRENS -     jarl k. hiltunen w.9tp   w Edwin S. George Reserve. At margin of thicket along causeway crosing swamp; grid E-9.       ~ POALES scirpus      =t,p RES. 948      42.456686      TRUG 1961-07-23 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus atrovirens", "scientificNameAuthorship": "", "genus": "Scirpus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Jarl K. Hiltunen", "recordNumber": "Res. 948", "verbatimEventDate": "1961-07-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Edwin S. George Reserve. At margin of thicket along causeway crossing swamp; grid E-9.", "decimalLatitude": "42.456686", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}