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": ""}
 Perth  L  l. o      -80.91578 Z1>,   w1R<9 Canada  1990-07-17 E#    S Euphorbia    L5;< 11391  e euphorbiaceae  MALPIGHIALES :   ontario G*;   w  MICHAEL J. OLDHAM    %(Hv helioscopia euphorbia helioscopia  nBP   COLLECTOR NOTED THAT "EXACT UTM UNAVAILABLE". F] 
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia helioscopia", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "helioscopia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Michael J. Oldham", "recordedBy": "", "recordNumber": "11391", "verbatimEventDate": "1990-07-17", "habitat": "", "occurrenceRemarks": "Collector noted that \"exact UTM unavailable\".", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Perth", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-80.91578", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}