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": ""}
Carex festucacea a     1 mile east of sturgeon at a railroad siding. ?     CYPERACEAE  O[  1983-06-03 K%^   7560 7f)T  carex Y     missouri M^P`  festucacea E  POALES ;Xg    a boone     1369940 r 
{"catalogNumber": "1369940", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex festucacea", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "festucacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7560", "verbatimEventDate": "1983-06-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Missouri", "county": "Boone", "municipality": "", "locality": "1 mile east of Sturgeon at a railroad siding.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}