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": ""}
  $i EL GIGANTE (ARELLANO); 7 M%I S OF THE ZACATECAS-AGUASALIENTES TATE LINE    Mexico K1  278 s_      21.7805 ~    =$t bouteloua gracilis  1955-10-06 i   AGUASCALIENTES -+        (Kunth) Lag. ex Griffiths vv,y?     bouteloua e@UY 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Bouteloua gracilis", "scientificNameAuthorship": "(Kunth) Lag. ex Griffiths", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "278", "verbatimEventDate": "1955-10-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Aguascalientes", "county": "", "municipality": "", "locality": "El Gigante (Arellano); 7 mi S of the Zacatecas-Aguascalientes State Line", "decimalLatitude": "21.7805", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}