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": ""}
 ? V2k brassicales 1464244       pM BRASSICACEAE  SV "Petals yellow." [fr. Sparsely hispid on smaller plant]      arvensis %1    P9 SINAPIS  MICHIGAN  BI2  4338 s   +IgC Gladwin    OCCASIONAL O SIDES OF SANDY GRAVEL ROADS @    kZ crossroads5 between w edge secs. 7&18, ca. 7.5 mi. nw of gladwin   o -84.593137 
{"catalogNumber": "1464244", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Sinapis", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4338", "verbatimEventDate": "", "habitat": "Occasional on sides of sandy gravel roads", "occurrenceRemarks": "\"Petals yellow.\" [fr. Sparsely hispid on smaller plant]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Gladwin", "municipality": "", "locality": "Crossroads between W edge secs. 7&18, ca. 7.5 mi. NW of Gladwin", "decimalLatitude": "", "decimalLongitude": "-84.593137", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}