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": ""}
        2018-09-06 -#8      1561348 _ n.     Potamogeton berchtoldii   J   -E main channel of the kalamazoo Qriver in webster's marsb area of the allegan state game area. t-3-n, r-16-w, se 1/4 of sw /4 of section 14. ca 1.6 miles ese of douglas     !Zug -86.16803 MICHIGAN S    
{"catalogNumber": "1561348", "order": "", "family": "", "scientificName": "Potamogeton berchtoldii", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2018-09-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Main channel of the Kalamazoo River in Webster's marsh area of the Allegan State Game Area. T-3-N, R-16-W, Se 1/4 of SW 1/4 of section 14. Ca 1.6 miles ESE of Douglas", "decimalLatitude": "", "decimalLongitude": "-86.16803", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}