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": ""}
   fallopia Y+ Q=    houghton  %`   POLYONACEAE +t  Michigan )NXkW    _ CARYOPHYLLALES  uz S.N.   1512892 .Lg     ` = CONVOLVULUS 46.427124 B~   aNH~3 1950-08 lake o#n 2 creek. 4:E    -88.772833 PV w    le FALLOPIA CONVOLVULUS united states n (X  William H. Lawrence < 
{"catalogNumber": "1512892", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Fallopia convolvulus", "scientificNameAuthorship": "", "genus": "Fallopia", "subgenus": "", "specificEpithet": "convolvulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William H. Lawrence", "recordNumber": "s.n.", "verbatimEventDate": "1950-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Lake on 2 Creek.", "decimalLatitude": "46.427124", "decimalLongitude": "-88.772833", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}