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": ""}
UNITED STATES !(u  ANN ARBOR,  F]fE   8 -83.726329 ERECTUM ?b<    naB Polygonum erectum    =!bu L.  Jacob F. Brenckle Nr   _ CARYOPHYLLALES     #Lqo Polygonaceae     Washtenaw n   Jv m michigan a.j. pieters `^  1892-09-15 CM     c, 1466126  7* POLYGONUM
{"catalogNumber": "1466126", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum erectum", "scientificNameAuthorship": "L.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "erectum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jacob F. Brenckle", "recordedBy": "A.J. Pieters", "recordNumber": "", "verbatimEventDate": "1892-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor,", "decimalLatitude": "", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}