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": ""}
1929-09-20 yy8       0AJ CYPERACEAE   p(R Muhl. ex Willd.   I  indiana    7HM CAREX  W| On the Nelson Horn farm about 6 mi SE of Clay City.  % lupulina    47869 ziT   iJY@/ Carex lupulina POALES 4Z S   Clay b   Db!OF Charles C. Deam   
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex lupulina", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "lupulina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles C. Deam", "recordNumber": "47869", "verbatimEventDate": "1929-09-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Indiana", "county": "Clay", "municipality": "", "locality": "On the Nelson Horn farm about 6 mi SE of Clay City.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}