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": ""}
1950-07-02 - j     g Commelinaceae 1140555 nS:1      7261 U     7a BOURGEAUI   ai commelinales  ohN! COELESTIS  -105.771 t%: E   e~su Commelina    i~P El Taller; 75 mi W of C. Durango, Cerro Huehueto, S of Huachicheles   Rd2j c.b.clarke 23.6467 oL#       VAR. 0m$ 
{"catalogNumber": "1140555", "order": "Commelinales", "family": "Commelinaceae", "scientificName": "", "scientificNameAuthorship": "C.B.Clarke", "genus": "Commelina", "subgenus": "", "specificEpithet": "coelestis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "bourgeaui", "identifiedBy": "", "recordedBy": "", "recordNumber": "7261", "verbatimEventDate": "1950-07-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "El Taller; 75 mi W of C. Durango, Cerro Huehueto, S of Huachicheles", "decimalLatitude": "23.6467", "decimalLongitude": "-105.771", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}