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": ""}
A RODRÃ­GUEZ C.  y   michoacan ?3 +=   6SOLANALES FtFN       3I: 1297420 SOLANUM NIGRICANS       Contact UM Herbar|um [uU    LET^ 1964-07-21  mexico WF/Mc  nigricans =~-A   M5 8P Jerzy Rzedowski  AIOLz 18390 M.MARTENS & GALEO7TI U(wd      Solanum P|Q  
{"catalogNumber": "1297420", "order": "Solanales", "family": "", "scientificName": "Solanum nigricans", "scientificNameAuthorship": "M.Martens & Galeotti", "genus": "Solanum", "subgenus": "", "specificEpithet": "nigricans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A Rodr\u00c3\u00adguez C.", "recordedBy": "Jerzy Rzedowski", "recordNumber": "18390", "verbatimEventDate": "1964-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Michoacan", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}