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": ""}
     [VM6 COLLECTED TO SHOW VARIATION IN PODS; CITED IN JOURN. AR. RES. 73: 65-80. 1946.     syriaca X/Nru      Apocynaceae  kq    United States D h  Asclepias ;nL<R     Chicken yard. )+8j     
{"catalogNumber": "", "order": "", "family": "Apocynaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Asclepias", "subgenus": "", "specificEpithet": "syriaca", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Chicken yard.", "occurrenceRemarks": "Collected to show variation in pods; cited in Journ. Agr. Res. 73: 65-80. 1946.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}