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": ""}
 b 1346756 fabaceae ; 0%x   E washtenaw FABALES (?  5745  ?      united states MEDICAGO LUPULINA GIv/   X6  oliver a. farwell medicago Bn >G         L. W   P lupulina   MICHIGAN IX=BW   ;R ypsilanti   1921-05-15 /j   [Am. M|d. Nat. 10;34] 3 
{"catalogNumber": "1346756", "order": "Fabales", "family": "Fabaceae", "scientificName": "Medicago lupulina", "scientificNameAuthorship": "L.", "genus": "Medicago", "subgenus": "", "specificEpithet": "lupulina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "5745", "verbatimEventDate": "1921-05-15", "habitat": "", "occurrenceRemarks": "[Am. Mid. Nat. 10;34]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ypsilanti", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}