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": ""}
 TW . 4473  x<?8 sw.     hispidum Nf  piperales A<L      i 24 km south of ilpancingo on road to acapulco (mex highway 95), at km 296    1966-12-08       PIPER HISPIDUM 8*       uY GUERRERO   1206088 T  
{"catalogNumber": "1206088", "order": "Piperales", "family": "", "scientificName": "Piper hispidum", "scientificNameAuthorship": "Sw.", "genus": "", "subgenus": "", "specificEpithet": "hispidum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4473", "verbatimEventDate": "1966-12-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Guerrero", "county": "", "municipality": "", "locality": "24 km south of ilpancingo on road to Acapulco (Mex highway 95), at Km 296", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}