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": ""}
  Z:4 SMITH  KF2u[ BY LOOP 323 AT W SIDE OF TYLER.  rheB Poales   78809 p (u   _|k1 RHYNCHOSPORA MACROSTACHYA   J% macrostachya   +6cD 1400584 torr. ex a. gray saE     texas     5U( Cyperaceae  1991-05-14 Y  Aobert Kral zc=o     i  united states   ^ rhynchospora 
{"catalogNumber": "1400584", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora macrostachya", "scientificNameAuthorship": "Torr. ex A. Gray", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "macrostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Kral", "recordNumber": "78809", "verbatimEventDate": "1991-05-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Smith", "municipality": "", "locality": "By loop 323 at W side of Tyler.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}