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,FK BAKER POTTS NURSERY, MERCEDES, LOWER RIO GRANDE VALLEY. E.U. CLOVER g+     ) United Sates  1660 VVh     t hidalgo   . &W   I P! cyperus  ($Z =1934-01-16  d rotundus   61  cyperaceae   rN texas Poales JyNTp     cyperus rotundus oP  1394249 ]=A   
{"catalogNumber": "1394249", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus rotundus", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "rotundus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.U. Clover", "recordNumber": "1660", "verbatimEventDate": "1934-01-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Hidalgo", "municipality": "", "locality": "Baker Potts Nursery, Mercedes, Lower Rio Grande Valley.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}