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": ""}
 WN7 United States  Be Edwin B. Cope(land  cQb5- Megathyrsus m9aximus  x -121.4661111   1929-07-18 (E)   , . JONESVILLE.     + california     poaceae ) U$       WF B 1550     
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Megathyrsus maximus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edwin B. Copeland", "recordNumber": "", "verbatimEventDate": "1929-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "", "municipality": "", "locality": "Jonesville.", "decimalLatitude": "", "decimalLongitude": "-121.4661111", "verbatimCoordinates": "", "minimumElevationInMeters": "1550", "maximumElevationInMeters": ""}