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": ""}
along highw4y 50, 1 mile east of route k. SA   cyperaceae p &c  1983-04-29 I*           :m gasconade SCHKUHR EX WILLD. zh    David Castaner 6)6EM   x umbellata  L7u8 MISSOURI  7331 -  Carex  h    POALES $~    F, trs: t43n r6w
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Schkuhr ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David Castaner", "recordNumber": "7331", "verbatimEventDate": "1983-04-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Missouri", "county": "Gasconade", "municipality": "", "locality": "Along Highway 50, 1 mile east of Route K.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T43N R6W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}