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": ""}
 4!R Louis . Wheeler  6=S2 cyperus  W| ERYTHRORHIZOS  san gabriel mountains, west fork san gabriel river, 1/2 mile w of bear creek. m&  poales E    . jF5 1946-09-02  4I3+ 518    6339 ^   /K CALIFORNIA  cyperaceae2 of N  cyperus erythrorhizos V      Muhl.  tFxB united states   *!GQh LOS ANGELES     X 1393278 
{"catalogNumber": "1393278", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus erythrorhizos", "scientificNameAuthorship": "Muhl.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "erythrorhizos", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis C. Wheeler", "recordNumber": "6339", "verbatimEventDate": "1946-09-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Los Angeles", "municipality": "", "locality": "San Gabriel Mountains, west fork San Gabriel River, 1/2 mile W of Bear Creek.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "518", "maximumElevationInMeters": ""}