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": ""}
 46 arvenss  BL  t. chuang  zo lamiales     CHAM. & SCHLECHT. ^    Rd& SINALOA   Q 1940-03-06  1290670 DET      Contact UM Herbarium !,.R   mexico [c->f  orobanchaceae R    Ri HOWARD S. GENTRY      Bn 5833 
{"catalogNumber": "1290670", "order": "Lamiales", "family": "Orobanchaceae", "scientificName": "", "scientificNameAuthorship": "Cham. & Schlecht.", "genus": "", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "T. Chuang", "recordedBy": "Howard S. Gentry", "recordNumber": "5833", "verbatimEventDate": "1940-03-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sinaloa", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}