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": ""}
    united states mDxb    r _Ek 45.06889  stachys j,N`  J.B. Nelson z$B  ALPENA =bC    [ LAMIALES   X@P 1986-08-12      6ylW alpena twp. t31n, r8e, sec. 21 sw1/4; in n.w. corner of evergreen cemetery.    IN WET, SANDY LOAM SOIL IN THE SHADE OF RED OAK AND WHITE PINE ALONG SMALL CREEK 7    Q$2 arenicola  )f+d 122781  bl BRITTON
{"catalogNumber": "1227891", "order": "Lamiales", "family": "", "scientificName": "", "scientificNameAuthorship": "Britton", "genus": "Stachys", "subgenus": "", "specificEpithet": "arenicola", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.B. Nelson", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1986-08-12", "habitat": "In wet, sandy loam soil in the shade of red oak and white pine along small creek", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Alpena", "municipality": "", "locality": "Alpena Twp. T31N, R8E, Sec. 21 SW1/4; in N.W. corner of Evergreen Cemetery.", "decimalLatitude": "45.06889", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}