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": ""}
18.616 1B_KK   Q ,D< -99.1684 2293 @)Y  AmpliaciÃ³n Unidad Deportiva; E Jojutla U      F. BARKLEY &C. ROWELL, JR. u&Z    COMMELINALES x(vCP  pontederiaceae sq  1947-07-13 t   MEXICO j]   6U rotundifolia    dsl (Kunth) Griseb.  Q,4] charles n. horn Heteranthera  >l   Heteranthera rotundifolia H[V          1142265
{"catalogNumber": "1142265", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera rotundifolia", "scientificNameAuthorship": "(Kunth) Griseb.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "rotundifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Charles N. Horn", "recordedBy": "F. Barkley & C. Rowell, Jr.", "recordNumber": "2293", "verbatimEventDate": "1947-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Ampliaci\u00c3\u00b3n Unidad Deportiva; E Jojutla", "decimalLatitude": "18.616", "decimalLongitude": "-99.1684", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}