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": ""}
 %7 ontario   t7 1663561 disturbed ground adjacent to railway trracks rare; cinders adjcent to tracks     RZ? 2007-06-30        v SAULT STE. MARIE RAILWAY YARD EUPHORBIA GLYPTOSPERMA vR     g euphorbiaceae       malpighiales uIw Q   EUPHORBIA [s   Engelm. [ 
{"catalogNumber": "1663561", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia glyptosperma", "scientificNameAuthorship": "Engelm.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2007-06-30", "habitat": "disturbed ground adjacent to railway trracks rare; cinders adjcent to tracks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Sault Ste. Marie railway yard", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}