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": ""}
 & United States   1472273 B  LOW GROUND. i/S~m  (PURSH)RYDB. `P +c      ELEGANS [CW&     hSw$p 44.724359     ? Tr Edwin B. Mains & E.E. Mains     rtL< Benzie along platte river and platte river point. $8pb    MEANTHIACEAE ( .W-   ] .uI 1950-07-26 
{"catalogNumber": "1472273", "order": "", "family": "Melanthiaceae", "scientificName": "", "scientificNameAuthorship": "(Pursh) Rydb.", "genus": "", "subgenus": "", "specificEpithet": "elegans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edwin B. Mains & E.E. Mains", "recordNumber": "", "verbatimEventDate": "1950-07-26", "habitat": "Low ground.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Benzie", "municipality": "", "locality": "Along Platte River and Platte River Point.", "decimalLatitude": "44.724359", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}