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": ""}
 Y xEU 1280873 keweenaw n|f    ]6>J7 on edge of Richie Lake Michigan )G Z  6245 K>V[     Potamogeton k     POTAMOGETON GRAMINEUS VAR. GRAM/INEUS     -88.766296  J    CARL O. GRASSL y?!    =? alismatales   C R GRAMINEUS   1.: Ptamogetonaceae VAR. x   united states e[l   19v31-08-20 i  
{"catalogNumber": "1280873", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus var. gramineus", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "gramineus", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "6245", "verbatimEventDate": "1931-08-20", "habitat": "on edge of Richie Lake", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-88.766296", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}