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": ""}
 8Yu (L.) Ã.LÃ¶ve       @$ S.N.    fallopia O!DA    WDj  -86.10389      CQZ WASTE PLACES.   V:j  42.78629      (wH |512887 convolvulus Q    CALVIN H. KAUFFMAN F[J% 
{"catalogNumber": "1512887", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) \u00c3\u0081. L\u00c3\u00b6ve", "genus": "Fallopia", "subgenus": "", "specificEpithet": "convolvulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Calvin H. Kauffman", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Waste places.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.78629", "decimalLongitude": "-86.10389", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}