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": ""}
    J  -86.428608  O`Brp Michig4n    "sheaths red basally" b      &H 1331541   W6 scirpus  CYPERACEAE w`R    Poales _   h6 1963-07-06     expansus ?    U] 43.48867 CLAYBANKS TP., CA. 4 MI. SW OF ROTHBURY. 793   
{"catalogNumber": "1331541", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Scirpus", "subgenus": "", "specificEpithet": "expansus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1963-07-06", "habitat": "", "occurrenceRemarks": "\"Sheaths red basally\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Claybanks Tp., ca. 4 mi. SW of Rothbury.", "decimalLatitude": "43.48867", "decimalLongitude": "-86.428608", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}