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": ""}
  grandiflora       I?1v CORYMBOSA  CUSCUTA CORYMBOSA VAR. GRANDIFLORA A =   =m engelm.    2G1 Contact UM Herbarium 3210 cmX        2O Solanales MEXICO ;709  Jennie V.A. Dieterle e  convolvulacae @ mn     g*dm 1963-12-02  VAR. ug 
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Cuscuta corymbosa var. grandiflora", "scientificNameAuthorship": "Engelm.", "genus": "", "subgenus": "", "specificEpithet": "corymbosa", "verbatimTaxonRank": "var.", "infraspecificEpithet": "grandiflora", "identifiedBy": "", "recordedBy": "Jennie V.A. Dieterle", "recordNumber": "3210", "verbatimEventDate": "1963-12-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}