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": ""}
  r Pontederiaceae     u 9a ZhTP$ chilapan; 6 km from catemaco town between coyame and san andrã©s tuxtla, laguna de catemaco, arroyo agrã­o Commelinales H      k[s$4 r. lowden  ?Jk 1136684  HG 1970-O7-27    G mexico sagittata c       oxRuT Pontederia  -95.1445 k1;s  ROXB. 5`  
{"catalogNumber": "1136684", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "", "scientificNameAuthorship": "Roxb.", "genus": "Pontederia", "subgenus": "", "specificEpithet": "sagittata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Lowden", "recordNumber": "9a", "verbatimEventDate": "1970-07-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Chilapan; 6 km from Catemaco town between Coyame and San Andr\u00c3\u00a9s Tuxtla, Laguna de Catemaco, Arroyo Agr\u00c3\u00ado", "decimalLatitude": "", "decimalLongitude": "-95.1445", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}