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": ""}
1990-09-15 Vve  barbara wilson /  euphorbiaceae 1x)  L.      EUPHORBIA MACULATA s  MACULATA %   |Q[O Malpighiales   o IN OWNTOWN CLARINDA  ALJD page  $= Sidewalk    euphorbia $  s.n. %F   United States c b    ?K  Iowa     cjb.Q 1288239 
{"catalogNumber": "1288239", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia maculata", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "maculata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barbara Wilson", "recordNumber": "s.n.", "verbatimEventDate": "1990-09-15", "habitat": "Sidewalk", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Iowa", "county": "Page", "municipality": "", "locality": "In downtown Clarinda", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}