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": ""}
 g3Ca michigan grandidentata Bsp     42.21143 qn     1309974 #kH  populus grandidentata $B    &&j a united states    6 4Rz 2715  Michx. <qI4   YG 1972-07-11   pittsfield twp. e side thomas rd., 1/8 qmi. s of morgan rd; ne 1/4 sec. 22, t3s, r6e. l $)3   J ruth b. alford (macfarlane)  "YOUNG 12-FT TREE; LVS ONLY." 2nJh      Salicaceae
{"catalogNumber": "1309974", "order": "", "family": "Salicaceae", "scientificName": "Populus grandidentata", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "grandidentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ruth B. Alford (MacFarlane)", "recordNumber": "2715", "verbatimEventDate": "1972-07-11", "habitat": "", "occurrenceRemarks": "\"young 12-ft tree; lvs only.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Pittsfield Twp. E side Thomas Rd., 1/8 mi. S of Morgan Rd; NE 1/4 Sec. 22, T3S, R6E.", "decimalLatitude": "42.21143", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}