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": ""}
   MgD ONTARIO  ;n SAMBUCU   Adoxaceae (Sl s  3414 j;F    canada nGT  simcoe b !g;     r^k<+ pubens     SAMBUCUS PUBENS k,O     Ek* Contact UM Herbariuzm  *  1973-05-12    c   DIPSACALES  7IX  michx. 1312439 Z 
{"catalogNumber": "1312439", "order": "Dipsacales", "family": "Adoxaceae", "scientificName": "Sambucus pubens", "scientificNameAuthorship": "Michx.", "genus": "Sambucus", "subgenus": "", "specificEpithet": "pubens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3414", "verbatimEventDate": "1973-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}