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": ""}
1244956 a  Potamogeton alpinus E    ms 9  -84.565765 Potamogeton d   N8] 45.508705   f(u 10319  /_% alpinus  lX~vl Balb.    POTAMOGETONACEAE z?z  ALISMATALES u2N8  united states 0: OO   &D3d c. barre hellquist    %o  1975-07-01     x7po  "pH 8.6. alkalginity 164.5 ppm"   
{"catalogNumber": "1244956", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton alpinus", "scientificNameAuthorship": "Balb.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "alpinus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Barre Hellquist", "recordNumber": "10319", "verbatimEventDate": "1975-07-01", "habitat": "", "occurrenceRemarks": "\"pH 8.6. alkalinity 164.5 ppm\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.508705", "decimalLongitude": "-84.565765", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}