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": ""}
   S Y MISSOURI   9sn ECHINATUS  Y 7 peter h raven   4na|2 Poales Cyperus echinatus 1x*8    u CONTACT UM HERBARIUM 27123 U|/  Cyperaceae Xx/    .< united states     (l.) alphR. wood KE      8ZX cyperus   S t 1443273   
{"catalogNumber": "1443273", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus echinatus", "scientificNameAuthorship": "(L.) Alph. Wood", "genus": "Cyperus", "subgenus": "", "specificEpithet": "echinatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter H. Raven", "recordNumber": "27123", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}