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": ""}
1929-08-27  B  Poales mpDhJ  -86.030346 F8      Margin of Pond. oP4m5   juncaceae c`R?*  1336431 P    2f@(  45.96818    |P5| SCHOOLCRAFT  4221 ufe7     michigan $a       
{"catalogNumber": "1336431", "order": "Poales", "family": "Juncaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4221", "verbatimEventDate": "1929-08-27", "habitat": "Margin of Pond.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "", "decimalLatitude": "45.96818", "decimalLongitude": "-86.030346", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}