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": ""}
 x d ontario  POACEAE S4LX?    trchycaulus ; R    t@ RX Poales  s gb? 1412533  x^YGR Canada na7424 euj?B        ~ ELYMUS TRACHYCAULUS     fw CONTACT UM HERBARIUM  1974-07-19 $JVV[       J (link) gould ex shinners  parry sound - 
{"catalogNumber": "1412533", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus trachycaulus", "scientificNameAuthorship": "(Link) Gould ex Shinners", "genus": "", "subgenus": "", "specificEpithet": "trachycaulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "NA7424", "verbatimEventDate": "1974-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Parry sound", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}