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": ""}
at head of Palmer Creek Valley, Kenai Peninsula  *   p?8 ALASKA  gy2$ C.A. Mey.        B` Carex macrochaeta    h_ b 5494 850 SI     U& Z 14296<77 CAREuX  kk )  William S. Benninghoff Qul9   5>D 1951-07-18   Poales ruWDn    r macrochaeta cyperaceae , #/j   Y/f # common on moraine  UNITED STATES w3,=l 
{"catalogNumber": "1429677", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex macrochaeta", "scientificNameAuthorship": "C.A. Mey.", "genus": "Carex", "subgenus": "", "specificEpithet": "macrochaeta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William S. Benninghoff", "recordNumber": "5494", "verbatimEventDate": "1951-07-18", "habitat": "common on moraine", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "at head of Palmer Creek Valley, Kenai Peninsula", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "850", "maximumElevationInMeters": ""}