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": ""}
   3 sagittalis   3, x7 FABALES    w STAMFOD  A%Mv  UNITED STATES    =T$8q fairfield 1503200 >t_Y?   G CROTALARIA SAGITTALIS         y,)a CONNECTICUT S.N. 7CT   V` mary h. clark    $OYss crotalaria fabaceae C    1850-08-12 =Q5Y 
{"catalogNumber": "1503200", "order": "Fabales", "family": "Fabaceae", "scientificName": "Crotalaria sagittalis", "scientificNameAuthorship": "", "genus": "Crotalaria", "subgenus": "", "specificEpithet": "sagittalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary H. Clark", "recordNumber": "s.n.", "verbatimEventDate": "1850-08-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Connecticut", "county": "Fairfield", "municipality": "", "locality": "Stamford", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}