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": ""}
   caddo O      M virginica  Acalypha u    #~u3 Louisiana l. J  cut-over oak-pine woods .     t: Acalypha virginica 1666308 %   1973-08-.01     d 36234  ] united states Malpighi4les o1&   L~T< 2.3 miles south of la. 169, east of la. 1, sec. 4, r15w, t19n   ;`1B$ euphorbiaceae geoffrey a. levin #<XCE    P R. Dale Thomas & Roselie Overby
{"catalogNumber": "1666308", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Acalypha virginica", "scientificNameAuthorship": "L.", "genus": "Acalypha", "subgenus": "", "specificEpithet": "virginica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Geoffrey A. Levin", "recordedBy": "R. Dale Thomas & Roselie Overby", "recordNumber": "36234", "verbatimEventDate": "1973-08-01", "habitat": "Cut-over oak-pine woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Louisiana", "county": "Caddo", "municipality": "", "locality": "2.3 miles south of LA. 169, east of LA. 1, Sec. 4, R15W, T19N", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}