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": ""}
 r2 LUCE  2007-09-02 h  16943 49    Michigan @ya  Edward G. Voss X   Potamogetom spirilus    edward g. voss y $   potamogetonaceae   P!    < ON NW SIDE OF PERCH LAKE, CA. 3 MI. SSE OF DEER PARK.   * 46.63391     ^gh$) potamogeton   -85.59951 *     
{"catalogNumber": "", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton spirillus", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Edward G. Voss", "recordNumber": "16943", "verbatimEventDate": "2007-09-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Luce", "municipality": "", "locality": "on NW side of Perch Lake, ca. 3 mi. SSE of Deer Park.", "decimalLatitude": "46.63391", "decimalLongitude": "-85.59951", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}