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": ""}
     W2 Guanajuato    q<;W MARGARANTHUS margaranthus solanaceus  p  Fred A. Barkley Ml        contact um herbarium 1947-08-28 E   729 QA   JERZY RZEOOWSKI ] w  schltdl. FG   bX(z- Mexico   Solanales 1U    H  1295479  J solanaceus 
{"catalogNumber": "1295479", "order": "Solanales", "family": "", "scientificName": "Margaranthus solanaceus", "scientificNameAuthorship": "Schltdl.", "genus": "Margaranthus", "subgenus": "", "specificEpithet": "solanaceus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jerzy Rzedowski", "recordedBy": "Fred A. Barkley", "recordNumber": "729", "verbatimEventDate": "1947-08-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guanajuato", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}