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": ""}
 szh ONTARIO  $ +e 1416703 contact um herbarium       Leymus !iyX  (L.) HOCHST. un   8798 :G  arenarius K-      fLF Dave McLeod   zc>(  1987-07-09  H Middlesex    8Za  Leymus arenarius      poaceae ,KAj  CANADA p 
{"catalogNumber": "1416703", "order": "", "family": "Poaceae", "scientificName": "Leymus arenarius", "scientificNameAuthorship": "(L.) Hochst.", "genus": "Leymus", "subgenus": "", "specificEpithet": "arenarius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dave McLeod", "recordNumber": "8798", "verbatimEventDate": "1987-07-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Middlesex", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}