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": ""}
 u 1940-08-14  u^W Brassicaceae    (a. gray) payson 7  MEXICO d*    Ivan M. Johnston MQ    :Qk contact um herbarium     SISYMBRIUM LIN3ARIFOLIUM L,>)   =A&  BRASSICALES linearifolium tS-   U3 coahuila    <#_n 1272526  ,l SISYMBRIUM   
{"catalogNumber": "1272526", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Sisymbrium linearifolium", "scientificNameAuthorship": "(A. Gray) Payson", "genus": "Sisymbrium", "subgenus": "", "specificEpithet": "linearifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ivan M. Johnston", "recordNumber": "", "verbatimEventDate": "1940-08-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Coahuila", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}