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": ""}
   .` 1992-05-17      multicaulis   Poales vpCG     41â° 15' 46" n 121â° 25' 49" w  :Nr   @ Ps^ bruce a. Nbartholomew       -S United States    Z-S9r carex multicaulis Carex  y<    X-  645  
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex multicaulis", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "multicaulis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Bruce A. Bartholomew", "recordNumber": "6345", "verbatimEventDate": "1992-05-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "41\u00c2\u00b0 15' 46\" N 121\u00c2\u00b0 25' 49\" W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}