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": ""}
   au charles d. richards  d:4Yx CARYOPHYLLACEAE  0DDm  l. antirrhina !*l]   Q COMMON ON DRY, ROCKY SLOPE NEAR SUMMIT OF BLUFF. West Bluff. fr      rQ 1949-07-17   ?m caryophyllales  MICH2IGAN D1]Q    47.46439a6 pc      -87.968882 _  UNITED STATE#S P Y    o  U 1333424
{"catalogNumber": "1333424", "order": "Caryophyllales", "family": "Caryophyllaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "antirrhina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1949-07-17", "habitat": "Common on dry, rocky slope near summit of bluff.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "West Bluff.", "decimalLatitude": "47.464396", "decimalLongitude": "-87.968882", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}