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": ""}
 1555 MQWFg     IKjXC aristidoides  !_ (Kun7h) Griseb. Chihuahua 82b?x  Bouteloua f+%Yb     S 1117996 1939-08-20 BM BZ         ^~Ux Bouteloua aristidoides       -106.351 fC  
{"catalogNumber": "1117996", "order": "", "family": "", "scientificName": "Bouteloua aristidoides", "scientificNameAuthorship": "(Kunth) Griseb.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "aristidoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1555", "verbatimEventDate": "1939-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Chihuahua", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-106.351", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}