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": ""}
 994 Jd ?!  MIRANDA & MATUDA 6M   1978-0Y3-21 ^h     19.5153   l  LA ESTACIÃ³N DE BIOLOGÃ­A; LA HUER7A; ESTACIÃ³N DE BIOLOGÃ­A CHAMELA f    mexico C     dioscoreaceae 9wv        `7Pn LA HUERTA     ]$do DIOSCOREA SUBTOMENTOSA
{"catalogNumber": "", "order": "", "family": "Dioscoreaceae", "scientificName": "Dioscorea subtomentosa", "scientificNameAuthorship": "Miranda & Matuda", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "994", "verbatimEventDate": "1978-03-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "La Huerta", "municipality": "", "locality": "La Estaci\u00c3\u00b3n de Biolog\u00c3\u00ada; La Huerta; Estaci\u00c3\u00b3n de Biolog\u00c3\u00ada Chamela", "decimalLatitude": "19.5153", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}