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": ""}
Michigan z    3_. SPARGANIUM EURYCARPUM   -87.625976 Q >Oxl    $@e united states    ~sGsJ 45.10511      sparganium .^S  CARL O. GRASSL Y  1933-08-12 ^ W[%    Poales N    1269465 R6)    
{"catalogNumber": "1269465", "order": "Poales", "family": "", "scientificName": "Sparganium eurycarpum", "scientificNameAuthorship": "", "genus": "Sparganium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "", "verbatimEventDate": "1933-08-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.10511", "decimalLongitude": "-87.625976", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}