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": ""}
 Mu (willd.) rostk. & w. l. e. schmidt  1304502 5PL  John H. Ehlers F   -84.711261 (EE    united states X    7O 1921-08-09 NAJAS FLEXILIS ^         flexilis  alismatales     jm- ingleside   ` 1703 MICHIGAN A;Q  NAJAS Qn  45.600195 ?8  In Bessey Creek vbA,z   cheboygan  0a  HYDROCHARITACEAE h  
{"catalogNumber": "1304502", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Najas flexilis", "scientificNameAuthorship": "(Willd.) Rostk. & W. L. E. Schmidt", "genus": "Najas", "subgenus": "", "specificEpithet": "flexilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1703", "verbatimEventDate": "1921-08-09", "habitat": "In Bessey Creek", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Ingleside", "decimalLatitude": "45.600195", "decimalLongitude": "-84.711261", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}