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": ""}
 _rn&Q 21.5179  L Nw 1960-09-10      leiocarpa ( +g  mexico 0    Benth. -a6o  commelina leiocarpa gnZ   n`F  COMMELINA     m  1140906  LA LIBERTAD; 8 MI W OF TEPIC y k    COMMELINACEAE ymH0p     18890     8N* Nayarit  8 COMMELINALES 
{"catalogNumber": "1140906", "order": "Commelinales", "family": "Commelinaceae", "scientificName": "Commelina leiocarpa", "scientificNameAuthorship": "Benth.", "genus": "Commelina", "subgenus": "", "specificEpithet": "leiocarpa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "18890", "verbatimEventDate": "1960-09-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nayarit", "county": "", "municipality": "", "locality": "La Libertad; 8 mi W of Tepic", "decimalLatitude": "21.5179", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}