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": ""}
 1221252 %R    FE1 MECOSTA   Sisymbrium altissimum FR    michigan oM  IN RECENTLY WORKED AND SEEDED SOIL OF "RIVERWALK" AMONG GRASS SEEDLINGS, ALONG SIDEWALK. xYC:   BRASSICACEAE )@=K   8n altissimum   L. ^]kfd     unitedstates S   R "Approx. 20 plants. Flowers yellow."  fo sisymbrium   w edward g. voss STEPHEN ROSS D_   J* BRASSICALES
{"catalogNumber": "1221252", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Sisymbrium altissimum", "scientificNameAuthorship": "L.", "genus": "Sisymbrium", "subgenus": "", "specificEpithet": "altissimum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Stephen Ross", "recordNumber": "", "verbatimEventDate": "", "habitat": "In recently worked and seeded soil of \"Riverwalk\" among grass seedlings, along sidewalk.", "occurrenceRemarks": "\"Approx. 20 plants. Flowers yellow.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mecosta", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}