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": ""}
   1892-04 ]   +  hook. & arn. fabales -f    L * michener & bioletti    UNITED 1STATES Rd   #`  TRIFOLIUM MACRAEI  GRPM 51266 P@PS  Lake Merced v]  s.n. E3C    OA[ TRIFOLIUM  macraei gG *    1504211 e`1HI     
{"catalogNumber": "1504211", "order": "Fabales", "family": "", "scientificName": "Trifolium macraei", "scientificNameAuthorship": "Hook. & Arn.", "genus": "Trifolium", "subgenus": "", "specificEpithet": "macraei", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michener & Bioletti", "recordNumber": "s.n.", "verbatimEventDate": "1892-04", "habitat": "", "occurrenceRemarks": "GRPM 51266", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Lake Merced", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}