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": ""}
  RIF 29617        Kn)7@ CANADA        Cyperaceae     HR Yz 48.8346 schnocephala Hw0   Carey %8  1564123 w&Eu   ~ -92.89539 Carex #JW ^    t7_ contact um herbarium 
{"catalogNumber": "1564123", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Carey", "genus": "Carex", "subgenus": "", "specificEpithet": "sychnocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "29617", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "48.8346", "decimalLongitude": "-92.89539", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}