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": ""}
 AU: cook     2- ey. f. shipman (Michx.) Small g ?ox   i,2 CONTACT UM HERBARIUM HYDROPIPEROIDES 6N     Persicaria @,A   =>  polygonaceae  GM persicaria hydropiperoides  &tC Illinois united states p       CARYOPHYLLALES YjT   U4k: 2402   PE 1438947   
{"catalogNumber": "1438947", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria hydropiperoides", "scientificNameAuthorship": "(Michx.) Small", "genus": "Persicaria", "subgenus": "", "specificEpithet": "hydropiperoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. F. Shipman", "recordNumber": "2402", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "Cook", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}