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": ""}
 a obtusa  819 MzTF   Michigan Gj#<   zL) Poales     To WET SHORE OF SMALL LAKE. 1959-08-23 3d.6    l [ CYPERACEAE   4 -85.30178 UNITED STATES tC[    - J 44.619901   jYEA 1330577 eleocharis R~@u#   1ka twenty eight lakes east side of m-66 about 7 miles south of kalkaska.     
{"catalogNumber": "1330577", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "819", "verbatimEventDate": "1959-08-23", "habitat": "Wet shore of small lake.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Twenty Eight Lakes east side of M-66 about 7 miles south of Kalkaska.", "decimalLatitude": "44.619901", "decimalLongitude": "-85.30178", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}