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": ""}
  x 778  xmP solanaceae  &v) Solanum ontact UM Hebarium tT     G. MATÃ­NEZ-CALDERÃ³N ut~N#    ! 1941-11 oaxaca ;drx   MEXICO  #n   Solanales dzc       1297517 m   l. Thj       ]/:  Solanum nigrum  
{"catalogNumber": "1297517", "order": "Solanales", "family": "Solanaceae", "scientificName": "Solanum nigrum", "scientificNameAuthorship": "L.", "genus": "Solanum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G. Mart\u00c3\u00adnez-Calder\u00c3\u00b3n", "recordNumber": "778", "verbatimEventDate": "1941-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}