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": ""}
     in light-gr3y silt loam R`Gw   william l. mccart GZ Z:   $- Webb  UR]u POACEAE   BS   ARISTIDA PURPUREA VAR. PURPUREA   Os7GO 7398     purpurea Gw0>    uc7 purpurea var. R8Ks   8:Aq! 6 MI. W OF AQUILARES  6% United States  Id> 1405884  (C3! ARISTIDA  1960-04-24 ix 
{"catalogNumber": "1405884", "order": "", "family": "Poaceae", "scientificName": "Aristida purpurea var. purpurea", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "purpurea", "identifiedBy": "", "recordedBy": "William L. McCart", "recordNumber": "7398", "verbatimEventDate": "1960-04-24", "habitat": "In light-grey silt loam", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Webb", "municipality": "", "locality": "6 mi. W of Aquilares", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}