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": ""}
cultivated field s e_C  s. f. gray R>#   1188670 v?s S  JOHN H. EHLERS >   UNITE STATES @Az-*  1926-09-21 p  WASHTENAW n   polygonacea oB2   C(S Persicaria     3494     persicaria maculosa m   42.22286 -%Y    YV  caryophyllales  E)_  Michigan    t( -83.74082  maculosa  K*   u STEERE'S SWAMP ANN ARBOR 
{"catalogNumber": "1188670", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "S. F. Gray", "genus": "Persicaria", "subgenus": "", "specificEpithet": "maculosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "3494", "verbatimEventDate": "1926-09-21", "habitat": "Cultivated field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Steere's Swamp Ann Arbor", "decimalLatitude": "42.22286", "decimalLongitude": "-83.74082", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}