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": ""}
 SN,Jx ONTARIO   pennsylvanica J   15 Frakinus pennsylvanica marshall K 51  CONTACT UM HERBARIUM +(d   0 OLEACEAE |972-10-01 X    CANADA ZA9-J     1313760 5yb     E!? n 2507  ` SIMCOE Lamiales u _4   M 8B  ANTON A. REZNICEK   Fraxinus [ba^   
{"catalogNumber": "1313760", "order": "Lamiales", "family": "Oleaceae", "scientificName": "Fraxinus pennsylvanica", "scientificNameAuthorship": "Marshall", "genus": "Fraxinus", "subgenus": "", "specificEpithet": "pennsylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "2507", "verbatimEventDate": "1972-10-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}