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": ""}
  4048  )!     convolvulus nodiflorus S`l c   , convolvulaceae  -+ CONTACT UM HERBARIUM   solanales M8w  1966-10-18 SV   Desv. u     A4 Convolvulus k. robertson &      .J WILLIAM R. ANDERSON   :Y/G nodiflorus SAN yLUIS POTOSI cbQ#  Mexico  ]K 
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Convolvulus nodiflorus", "scientificNameAuthorship": "Desv.", "genus": "Convolvulus", "subgenus": "", "specificEpithet": "nodiflorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "K. Robertson", "recordedBy": "William R. Anderson", "recordNumber": "4048", "verbatimEventDate": "1966-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}