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": ""}
      LKV 21.3172     Ba  -99.1983    CaÃ±ada hÃºmeda, X_2S   MÃ¼LL.ARG. K(o   euphorbiaceae gu   Jerzy Rzedowski P6G$S       stillingia zelayensis X  #z    
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Stillingia zelayensis", "scientificNameAuthorship": "M\u00c3\u00bcll.Arg.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jerzy Rzedowski", "recordNumber": "", "verbatimEventDate": "", "habitat": "Ca\u00c3\u00b1ada h\u00c3\u00bameda,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "21.3172", "decimalLongitude": "-99.1983", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}