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": ""}
 1935-07-20 Ue     1446735 IlV   anthelatus S4       swamp  JUDSON K. UNDERWOOD ?K  NEAR MAYLAND. 7BS  JUNCUS 7,@  (WIEGAND) R. E. BROOKS Q  CUMBERLAND Lx         A Juncaceae UNITED STATES jg3Z   /! POALES   z4 2923 
{"catalogNumber": "1446735", "order": "Poales", "family": "Juncaceae", "scientificName": "", "scientificNameAuthorship": "(Wiegand) R. E. Brooks", "genus": "Juncus", "subgenus": "", "specificEpithet": "anthelatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Judson K. Underwood", "recordNumber": "2923", "verbatimEventDate": "1935-07-20", "habitat": "Swamp", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cumberland", "municipality": "", "locality": "Near Mayland.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}