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": ""}
 Newaygo m    6qv_u 1659045 sparganium natans !5t      Ekt United States   USN MICHIGAN    R 291   fk. l. leavs floating /1;qi   T15N, R13W, SEC. 18. N 43Â° 41.817', W 85Â°47.579'  ;   t[h antom a. reznicek POALES Z`!P      43.69695 e  qarret e. crow < mO 
{"catalogNumber": "1659045", "order": "Poales", "family": "", "scientificName": "Sparganium natans", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Garret E. Crow", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Leaves floating", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Newaygo", "municipality": "", "locality": "", "decimalLatitude": "43.69695", "decimalLongitude": "", "verbatimCoordinates": "T15N, R13W, sec. 18. N 43\u00c2\u00b0 41.817', W 85\u00c2\u00b047.579'", "minimumElevationInMeters": "291", "maximumElevationInMeters": ""}