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 ,h1)=  polygonaceae I dh8   `3 On sedge mat at NW corner of Silver Lake.  carl o. grassl %2   Michigan  bo    t R#UMEX  oD*F Caryophyllales   | washtenaw 8076 9      ORBICULATUS X    1471467 ;`  1937-10-19 @w$      rumex orbiculatus &mvD   04 ye -83.96667
{"catalogNumber": "1471467", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex orbiculatus", "scientificNameAuthorship": "", "genus": "Rumex", "subgenus": "", "specificEpithet": "orbiculatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "8076", "verbatimEventDate": "1937-10-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "On sedge mat at NW corner of Silver Lake.", "decimalLatitude": "", "decimalLongitude": "-83.96667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}