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": ""}
     2H 2140   J l. BIG RAPIDS TWP. GROUNDS OF BIG RAPIDS MIDDLE SCHOOL NEAR RIVER. WrbD       F STEPHEN ROSS  %k Sisymbrium    _v; Sisymbrium altissimum        cd "Approx. 20 plants. Flowers yellow."   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Sisymbrium altissimum", "scientificNameAuthorship": "L.", "genus": "Sisymbrium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Stephen Ross", "recordNumber": "2140", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Approx. 20 plants. Flowers yellow.\"", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Big Rapids Twp. Grounds of Big Rapids Middle School near river.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}