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": ""}
10450 !a7m   occidentalis =PqS+    SUBSP. *  Potamogetonaceae DG   V63gA -84.395424   CHEBOYGAN Y   o5 (J.W. R!obbins) Haynes, D.H. Les & M. Kral 1244866 ,c#mx  filiformis u  y<   =G B Alismatales  Ruk- stuckenia   % 45.646895  s- c. barre hellqu$ist  U $F| united states  Michigan V[9P    NT "ph 9.2. alkalinity 125.0 mg/l"   ExFJ edward g. voss  `uJ STUCKENIA FILIORMIS SUBSP. OCCIDENTALIS 1975-07-09 M0H  elliot creek ca. 6.4 km e4st of cheboygan, Q3#G 
{"catalogNumber": "1244866", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Stuckenia filiformis subsp. occidentalis", "scientificNameAuthorship": "(J.W. Robbins) Haynes, D.H. Les & M. Kral", "genus": "Stuckenia", "subgenus": "", "specificEpithet": "filiformis", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "occidentalis", "identifiedBy": "Edward G. Voss", "recordedBy": "C. Barre Hellquist", "recordNumber": "10450", "verbatimEventDate": "1975-07-09", "habitat": "", "occurrenceRemarks": "\"pH 9.2. alkalinity 125.0 mg/l\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Elliot Creek ca. 6.4 km east of Cheboygan,", "decimalLatitude": "45.646895", "decimalLongitude": "-84.395424", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}