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": ""}
   vI- F.N. HAMERSTROM, JR.     Pseudognaphalium 6S       2J$E 472  /^kQ 1941-09-16  _ -84.005246        <XI[t old field. soil: s4nd. as5ocies: solidago rigida, solidago graminifolia, liatris scabra, setaria lutescens, ambrosia artemisiifolia.   pseudognaphalium obtusifolium YI   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Pseudognaphalium obtusifolium", "scientificNameAuthorship": "", "genus": "Pseudognaphalium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.N. Hamerstrom, Jr.", "recordNumber": "472", "verbatimEventDate": "1941-09-16", "habitat": "Old field. Soil: Sand. Associes: Solidago rigida, Solidago graminifolia, Liatris scabra, Setaria lutescens, Ambrosia artemisiifolia.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.005246", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}