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": ""}
euphorbiaceae mzD$k   3 > kentucky riddell ex j. m. coult.  t             Q OSTRYIFOLIA R. MGVAUGH &n6<B  United States ZH#P   A common weed in gardens and cultivated fields. The Iris Place. Lexington s    zPT 1666173     1942-09-29 cOX  frank t. mcfarland o@   9;H   23 
{"catalogNumber": "1666173", "order": "", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "Riddell ex J. M. Coult.", "genus": "", "subgenus": "", "specificEpithet": "ostryifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. McVaugh", "recordedBy": "Frank T. McFarland", "recordNumber": "23", "verbatimEventDate": "1942-09-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "", "municipality": "", "locality": "A common weed in gardens and cultivated fields. The Iris Place. Lexington", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}