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": ""}
      Maktar /      1703244  UN  Siliana _ j^D    Ampelodesmo ^   y  Poales    h ROGERS MCVAUGH mauritanicus x~#    1970-05-01 X.wT`  Poaceae       em (poir.) t. dur. & schinz  cA| AMPELODESMOS MAURITANICUS
{"catalogNumber": "1703244", "order": "Poales", "family": "Poaceae", "scientificName": "Ampelodesmos mauritanicus", "scientificNameAuthorship": "(Poir.) T. Dur. & Schinz", "genus": "Ampelodesmos", "subgenus": "", "specificEpithet": "mauritanicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "", "verbatimEventDate": "1970-05-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Siliana", "county": "Maktar", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}