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": ""}
chester  #]Z   e aiton  yAq. 1507528   ,! Violaceae pubescens sB  pennsylvania   Xr(  VIOLA ia<:  Brandywine 0`8       yS 8 [collector is probably j.m. mcminn]      United States c u   xalKc viola Rpubescens J. M. MCMINN 0 AN+   ji3aP s.n. 1841 h   malpighiales `&   
{"catalogNumber": "1507528", "order": "Malpighiales", "family": "Violaceae", "scientificName": "Viola pubescens", "scientificNameAuthorship": "Aiton", "genus": "Viola", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. M. McMinn", "recordNumber": "s.n.", "verbatimEventDate": "1841", "habitat": "", "occurrenceRemarks": "[Collector is probably J.M. McMinn]", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Chester", "municipality": "", "locality": "Brandywine", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}