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": ""}
  )J POPULUS BALSAM|FERA   POPULUS 0.A   United States !1>   JOHN MERKLE 4 j   m1 J.E. ECKENWALDER    +-  Tuscola JCT OF RR AND WILDNER-FOREST RDS. NEAR FISH PT. ON SAGINAW BAY. V  MICHIGAN nJ&   oNR 70-154   4O MALPIGHIALES     =W> SALIC4CEAE     1970-07-18  , 
{"catalogNumber": "", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus balsamifera", "scientificNameAuthorship": "", "genus": "Populus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "John Merkle", "recordNumber": "70-154", "verbatimEventDate": "1970-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Tuscola", "municipality": "", "locality": "Jct of RR and Wildner-Forest Rds. near Fish Pt. on Saginaw Bay.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}