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": ""}
 IH united states ighigan b]     J0Ez Washtenaw  popu|us grandidentata M!6y   r~J GRANDIDENTATA   +6@ 1309967   B4>/> populus    ]b 2 miles east of Ann Arbor. malpighiales ::|2H   SALICACEAE rf.E      eileen w. erlanson e|7   1924-05-17 ^   ToeL burton v. barnes  $: 40
{"catalogNumber": "1309967", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus grandidentata", "scientificNameAuthorship": "", "genus": "Populus", "subgenus": "", "specificEpithet": "grandidentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Burton V. Barnes", "recordedBy": "Eileen W. Erlanson", "recordNumber": "40", "verbatimEventDate": "1924-05-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "2 miles east of Ann Arbor.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}