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 jdM   `o.Sg DESV.   Conuolvulus B5I   CONVOLVULUS NODIFLORUS FL O       nodiflorus Oy      lMp[( Mexico  h](  CONVOLVULACEAE    f contact um herbarium   K. Robertson _$   CD  1966-10-18
{"catalogNumber": "", "order": "", "family": "Convolvulaceae", "scientificName": "Convolvulus nodiflorus", "scientificNameAuthorship": "Desv.", "genus": "Convolvulus", "subgenus": "", "specificEpithet": "nodiflorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "K. Robertson", "recordedBy": "", "recordNumber": "4048", "verbatimEventDate": "1966-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}