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": ""}
 Fl "INTRODUCTA"  ORn`P POLYMORPHA FABALES F     )P IN KEWEENAW PENINSULA   =c United States    ^fr^X 1346817      *#0 Medicago polymorpha    pvwe J.W. ROBBINS  _b1e  KEWEENAW      E l.   
{"catalogNumber": "1346817", "order": "Fabales", "family": "", "scientificName": "Medicago polymorpha", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "polymorpha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J.W. Robbins", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"introducta\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Keweenaw", "municipality": "", "locality": "In Keweenaw Peninsula", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}