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": ""}
           oN0( altissimum Brassicales + ,  BRASSICACEAE ;>    ] O "Approk. 20 plants. Flowers yellow."  A4I v 1221252   Z STEPHEN ROSS     BJ]9 Sisymbrium  )t9;n in recently worked and seeoed soil of "riverwalk" among grass seedlings, along sidealk.    
{"catalogNumber": "1221252", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Sisymbrium", "subgenus": "", "specificEpithet": "altissimum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "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": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}