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": ""}
 cass 7   %4 Potamogeton gramineus  gramineus bcX        qIH; 1498     GB Alismatales  (  Potamogetonaceae   l michigan 42.071076 a P]     < B[ 1906-08-O1  #_Z 1280789   BJ -86.15678   /; Frank C. Gates 
{"catalogNumber": "1280789", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank C. Gates", "recordNumber": "1498", "verbatimEventDate": "1906-08-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Cass", "municipality": "", "locality": "", "decimalLatitude": "42.071076", "decimalLongitude": "-86.15678", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}