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": ""}
  john h. ehlers & lois s. ehlers tjb      d$Hr^ CAREX  M`7A0 MICHX.   _ Li) -84.91188 MICHIGAN Q<.+   45.39844 :B  Poales  O     k little traverse bay. 2581  >@.   A?0 vinridula   u_WD united states    EMMET +s_v1  
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Carex", "subgenus": "", "specificEpithet": "viridula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers & Lois S. Ehlers", "recordNumber": "2581", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "Little Traverse Bay.", "decimalLatitude": "45.39844", "decimalLongitude": "-84.91188", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}