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": ""}
        8Gh D 1906-08-20   r Solidago rugosa  escanaba 8_sb=   ,wN4+ -87.06458 1257572  ~ F    MILL. -       M8A/ A. DACHNOWSKI ASTERACEAE s   5]A; SOLIDAGO     
{"catalogNumber": "1257572", "order": "", "family": "Asteraceae", "scientificName": "Solidago rugosa", "scientificNameAuthorship": "Mill.", "genus": "Solidago", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Dachnowski", "recordNumber": "", "verbatimEventDate": "1906-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Escanaba", "decimalLatitude": "", "decimalLongitude": "-87.06458", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}