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": ""}
 iPw 1246447  Paul E. Berry & Jess Peirson hg!    i[_  Iowa     @n Clay  euphorbia s  spathulata X8  UNITED STATES   >n  A. HAYDEN v  roadside hwy 18, just w of the little sioux about 4 mi e of spencer, sioux township r22 [8   MALPIGHIALES Ma<hq    *pp lam. 9311 HaP,q  euphorbiaceae WX       1939-07-15     
{"catalogNumber": "1246447", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "Lam.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "spathulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Paul E. Berry & Jess Peirson", "recordedBy": "A. Hayden", "recordNumber": "9311", "verbatimEventDate": "1939-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Iowa", "county": "Clay", "municipality": "", "locality": "Roadside Hwy 18, just W of the Little Sioux about 4 mi E of Spencer, Sioux Township, R22", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}