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": ""}
  148 1680 [+G    D POACEAE    (L poales  O 1927-08-07    B2 1462    jK Michigan WASHTENAW S  Anton A. Reznicek m. 7   %#30 Unted States bromus ciliatus ^o&    KT ann arbor, in nemore speechleri.[speechler's woods]   ciliatus T  42.270872 n    5s^6  -83.726329    A16PR FREDERICKh J. HERMANN  
{"catalogNumber": "1481680", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus ciliatus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "ciliatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Frederick J. Hermann", "recordNumber": "1462", "verbatimEventDate": "1927-08-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor, In nemore speechleri.[Speechler's Woods]", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}