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": ""}
 Fy 1428902     ^x ONTARIO a. a. reznicek  :    clandestinum ^ tDl     9u681  R     poales $i,      1993-08-20  UL~     d dichanhelium clandestinum   LjY along the maitland river ca. 3-9 km sw of its mouth at goderich. Mutm grid 448428, map 40 p/12  UTM GRID 448428, MAP 40 P/12  X bU 
{"catalogNumber": "1428902", "order": "Poales", "family": "", "scientificName": "Dichanthelium clandestinum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "clandestinum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. A. Reznicek", "recordNumber": "9681", "verbatimEventDate": "1993-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Along the Maitland River ca. 3-9 km SW of its mouth at Goderich. UTM grid 448428, Map 40 P/12", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM grid 448428, Map 40 P/12", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}