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": ""}
   48.2475 JI_ a  -92.425556 Nu  ST,. LOUIS Hh    Db 2014-06-26   i LYNDEN B. GERDES  MX  48â° 14' 51" n, 92â° 25' 32" w POACEAE `Q.   `H< UNIT3D STATES lbg# 7074  c^r;   (nash) freckmann f   gy7A CONTACT UM HERBARIUM          
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Nash) Freckmann", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lynden B. Gerdes", "recordNumber": "LBG# 7074", "verbatimEventDate": "2014-06-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "St. Louis", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "48.2475", "decimalLongitude": "-92.425556", "verbatimCoordinates": "48\u00c2\u00b0 14' 51\" N, 92\u00c2\u00b0 25' 32\" W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}