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": ""}
   y  in the first half mile on the coconino sandstone, kaibab trail, grand canyon    4121 @,g   (Steud.) Vasey ,LT  ELZADA U. CLOVER O3@zi  POA 6p 0)   POACEAE ~j  POA FENDLERIANA 6p   1939-07-17 i Xh     POALES 3        y  FENDLERIANA arizona   IZ 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Poa fendleriana", "scientificNameAuthorship": "(Steud.) Vasey", "genus": "Poa", "subgenus": "", "specificEpithet": "fendleriana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Elzada U. Clover", "recordNumber": "4121", "verbatimEventDate": "1939-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Arizona", "county": "", "municipality": "", "locality": "In the first half mile on the Coconino sandstone, Kaibab Trail, Grand Canyon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}