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": ""}
1921-07-30      m,&[] -4.83643 Michigan ,-0      JOHN H. EHLERS   H ) AMERICAMUM    1670 Cq   ribes Y   ]U- NEAR CECIL BAY.    6 Mill.  ribes americanum ]B%dm   IB 1465491  OOjik emmet    United States 0J   
{"catalogNumber": "1465491", "order": "", "family": "", "scientificName": "Ribes americanum", "scientificNameAuthorship": "Mill.", "genus": "Ribes", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1670", "verbatimEventDate": "1921-07-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "Near Cecil Bay.", "decimalLatitude": "", "decimalLongitude": "-84.83643", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}