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": ""}
     M ~4 1468836  michx.    m  agricultural college [mac]      2Aci michigan HOMER C. SKEELS )1Sy   s)UN> Ingham  Cbu united states hirtellum :qhA,   KB4 |895-05-22  SAXIFRAGALES w*;Ga    42.69779 oZ    g RIBES HIRTELLUM   KSM41777 @5   
{"catalogNumber": "1468836", "order": "Saxifragales", "family": "", "scientificName": "Ribes hirtellum", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "hirtellum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Homer C. Skeels", "recordNumber": "", "verbatimEventDate": "1895-05-22", "habitat": "", "occurrenceRemarks": "KSM41777", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ingham", "municipality": "", "locality": "Agricultural College [MAC]", "decimalLatitude": "42.69779", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}