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": ""}
      = LJ 2018-09-21   (poir.) fernald +o-0       <( Lake T18N R14W S30 NW1/4, Manistee NationaYl Forest ~yr!   . unitd states    ]M KC BRADFORD S. SLAUGHTER  V7 1561680   *4q; MUHLENB3RGIA FRONDOSA      j  43.92986
{"catalogNumber": "1561680", "order": "", "family": "", "scientificName": "Muhlenbergia frondosa", "scientificNameAuthorship": "(Poir.) Fernald", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Bradford S. Slaughter", "recordNumber": "", "verbatimEventDate": "2018-09-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lake", "municipality": "", "locality": "T18N R14W S30 NW1/4, Manistee National Forest", "decimalLatitude": "43.92986", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}