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": ""}
   zB 20781            cr9 POALES 1965-09-03  csnL   oL C4rex polystachya  Los Timbres; 3 km al SM de Temascaltepec, wsobre la carretera a Tejupilco 7w    SW. EX WAHLENB. Fa  ENCINAR SOBRE LADERA PIZARAOSA gsr;   c@i mexico      CYPERACEAE 0K #z 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex polystachya", "scientificNameAuthorship": "Sw. ex Wahlenb.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "20781", "verbatimEventDate": "1965-09-03", "habitat": "Encinar sobre ladera pizarrosa", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Los Timbres; 3 km al SW de Temascaltepec, sobre la carretera a Tejupilco", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}