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": ""}
 Rc/ MICHIGAN     B LIVONIA  8748 J:    n /y UNITED STATES  C ,R POALES  U Afb 1212786   N; WAYNE   gR( muricata -83.373309 ,$%h   oliver a. farwell  n 4  1930-09-02        b echinochloa  (p. beauv.) fernald ;HeKF  ECHINOCHLOA MURICATA W)    Poaceae E     Pu 42.398801
{"catalogNumber": "1212786", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa muricata", "scientificNameAuthorship": "(P. Beauv.) Fernald", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "muricata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "8748", "verbatimEventDate": "1930-09-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "Livonia", "decimalLatitude": "42.398801", "decimalLongitude": "-83.373309", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}