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": ""}
    Iridaceae &     a_6@g casas grandes  !@8v 146 29.9484 a        -108.317 %+M  (L. F.) DC. d.l)j    Colonia GarcÃ­a; Sierra Madre; Colonia GarcÃ­a vxZa!  2286 $[0#Y  chihuahua H:/kF   ^I c. townsend & c. barber   ]   pavonia  
{"catalogNumber": "", "order": "", "family": "Iridaceae", "scientificName": "", "scientificNameAuthorship": "(L. f.) DC.", "genus": "", "subgenus": "", "specificEpithet": "pavonia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Townsend & C. Barber", "recordNumber": "146", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Chihuahua", "county": "Casas Grandes", "municipality": "", "locality": "Colonia Garc\u00c3\u00ada; Sierra Madre; Colonia Garc\u00c3\u00ada", "decimalLatitude": "29.9484", "decimalLongitude": "-108.317", "verbatimCoordinates": "", "minimumElevationInMeters": "2286", "maximumElevationInMeters": ""}