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": ""}
Michigan QB i5  Populus alba P($is   N3?k$( 1986-06-29    SALICACEAE lZ  saginawd   H R2G malpighiales  1687 U    united 5tates blKH   EDGE OF WOODS. NOT CULTIVATED.     a 43.416167 1309853 !(  populus bHjKm    alba  dr1   s. of roethke park, thomas twp. WF~   ROBERT W. SMITH DY3   ^# -84.101306 l. hel 
{"catalogNumber": "1309853", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus alba", "scientificNameAuthorship": "L.", "genus": "Populus", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "1687", "verbatimEventDate": "1986-06-29", "habitat": "Edge of woods. Not cultivated.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "S. of Roethke Park, Thomas Twp.", "decimalLatitude": "43.416167", "decimalLongitude": "-84.101306", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}