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": ""}
 ^ 1946-06-25          alabama oC X4      k MICHX.   !Z flowers 4-merousl petals white  z1( P MADISON r. t. clausen, l. j. kezer, & d. g. huttleston w $   2!0A UNITED 5TATES  1665385 T   N: + saxifragales    
{"catalogNumber": "1665385", "order": "Saxifragales", "family": "", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. T. Clausen, L. J. Kezer, & D. G. Huttleston", "recordNumber": "", "verbatimEventDate": "1946-06-25", "habitat": "", "occurrenceRemarks": "Flowers 4-merousl petals white", "associatedTaxa": "", "country": "United States", "stateProvince": "Alabama", "county": "Madison", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}