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": ""}
1445546 CS    retroflexus m        CYPERUS RETROFLEXUS VAR. RETROFLEXUS $h   ove f cyperus var.  4  United States 4k    Contact UM Herbarium < C ^  RETROFLEXUS |e    10473 /U9     d cyperaceae poales $2h    ];2m Charles T. Bryson MISSOURI h|9): 
{"catalogNumber": "1445546", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus retroflexus var. retroflexus", "scientificNameAuthorship": "", "genus": "Cyperus", "subgenus": "", "specificEpithet": "retroflexus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "retroflexus", "identifiedBy": "", "recordedBy": "Charles T. Bryson", "recordNumber": "10473", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}