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": ""}
   las mercedes; 6 mi s of crbo, jct. of road to horcasitas with old hwy on r.r. ]5   CYPERUS SQUARROSUS Sj6L   8<R squarrosus CYPERACEAE 9    W 7+271  t  8 l.  AU Poales   7=e 1934-09-16  -110.98 p N   ;xW sonora  1135359  qj0  Cyperus wF        Sw 29.5994  bM G.C. TUCKER ira l. wiggins L   _oWvB MEXICO 
{"catalogNumber": "1135359", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus squarrosus", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "squarrosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "G.C. Tucker", "recordedBy": "Ira L. Wiggins", "recordNumber": "7271", "verbatimEventDate": "1934-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "", "municipality": "", "locality": "Las Mercedes; 6 mi S of Carbo, jct. of road to Horcasitas with old hwy on R.R.", "decimalLatitude": "29.5994", "decimalLongitude": "-110.98", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}