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": ""}
  r P Texas   ZU  1413862   1932-11 *MR$  P0ales 2N=   united states O jm(    YMI swallen   K8/  842   jD[O9 eragrostis silveana  .Q% eragrostis   MH$Bs Jefferson   _ silveana  zQk contact um herbarium  Poaceae +m    a ; william a. silveus 
{"catalogNumber": "1413862", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis silveana", "scientificNameAuthorship": "Swallen", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "silveana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William A. Silveus", "recordNumber": "842", "verbatimEventDate": "1932-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Jefferson", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}