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": ""}
 l. m   W  ^, In lowland forest,   a Populus balsamifera united states XJ0?    X)m5 J.E. ECKENWALDER MICHIGAN =4VQ@     1935-07-31 0r L      |B 7 CARL O. GRASSL  0dw` popvlus SALICACEAE wsc!   B,ln~ delta MALPIGHIALES @[%   [@Xy 1571 1221937 IJp  balsamifera i    D?5/ NORTH OF SOUTH LAKE. SOUTH OF ESCANABA  
{"catalogNumber": "1221937", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus balsamifera", "scientificNameAuthorship": "L.", "genus": "Populus", "subgenus": "", "specificEpithet": "balsamifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "Carl O. Grassl", "recordNumber": "1571", "verbatimEventDate": "1935-07-31", "habitat": "In lowland forest,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "north of South Lake. South of Escanaba", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}