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": ""}
 M)G agrostis (Walter) Tuck. bkD>      michigan      46.848474  U+m3   BN1- -87.798493 1960-09-09 V    Dz= United States    E_T perennans     f= 1304921  ad)[3 POALES  DI 209  )%zFC ROCKS IN RIVER BED, MIDDLE FALLS. Poaceae  Zsz  a.g. etter H    =s marquette sal mon trout river; huron mountain club v(    
{"catalogNumber": "1304921", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Walter) Tuck.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "perennans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.G. Etter", "recordNumber": "209", "verbatimEventDate": "1960-09-09", "habitat": "rocks in river bed, middle falls.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Marquette", "municipality": "", "locality": "Salmon Trout River; Huron Mountain Club", "decimalLatitude": "46.848474", "decimalLongitude": "-87.798493", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}