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": ""}
 2917 @7   @WG DENTICCULATA      5,W s nuevo leon MEXICO S~9  malacomeles denticulata 8Rgsc  1939-08-21 3y#     l_&C  C. H. MULLER   (KUNTH) G.N.JONES S ?T          g3CY2 14600|8    H  MALACOMELES
{"catalogNumber": "1460018", "order": "", "family": "", "scientificName": "Malacomeles denticulata", "scientificNameAuthorship": "(Kunth) G.N.Jones", "genus": "Malacomeles", "subgenus": "", "specificEpithet": "denticulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. H. Muller", "recordNumber": "2917", "verbatimEventDate": "1939-08-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nuevo Leon", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}