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": ""}
   ~ 4 POLYGONACEAE Caryophllales ?   n| UNITED STATES  IE rumex orbiculatus     8 1471438  !sS0x beverly s. walters 42.284174 %ft   A A. GRAY       ^# @ sedge meadow in old river channel with carex stricta, carex lacustris, aster firmus.  Washtenaw /6.   F/|1G -83.723029   U6$+ 1998-06-11   Hf; orbiculatus Rumex QpM[    7l, 618
{"catalogNumber": "1471438", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex orbiculatus", "scientificNameAuthorship": "A. Gray", "genus": "Rumex", "subgenus": "", "specificEpithet": "orbiculatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Beverly S. Walters", "recordNumber": "618", "verbatimEventDate": "1998-06-11", "habitat": "Sedge meadow in old river channel with Carex stricta, Carex lacustris, Aster firmus.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "42.284174", "decimalLongitude": "-83.723029", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}