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": ""}
  ,m 3uphorbia helioscopia  43.57939 495_   ; Perth  1990-07-17 <:      NL%fRrailroad tracks and small dump. disturbed waste ground near small dump. uncommon  Euphorbia A   11391 r    |& < -80.91578    iA 1248548  Michael J. Oldham G~r    v$% CIRCA 2 KM NE OF MILeVERTON, MORNINGTON TOWNSHIP ONTARIO ro*s2    ~, collector noted that "exact utm unavailable".  
{"catalogNumber": "1248548", "order": "", "family": "", "scientificName": "Euphorbia helioscopia", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Michael J. Oldham", "recordedBy": "", "recordNumber": "11391", "verbatimEventDate": "1990-07-17", "habitat": "Railroad tracks and small dump. Disturbed waste ground near small dump. Uncommon", "occurrenceRemarks": "Collector noted that \"exact UTM unavailable\".", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Perth", "municipality": "", "locality": "Circa 2 km NE of Milverton, Mornington Township", "decimalLatitude": "43.57939", "decimalLongitude": "-80.91578", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}