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": ""}
   y^# 1997-05-20         SOLANUM HIRTUM   SOLANALES xL@   ]< 4 R. DurÃ¡n YucatÃ¡n Xs&>    ?, vahl   uz hirtum     SOLANUM q.l6   2862 z!$~   SOLANACEAE q  
{"catalogNumber": "", "order": "Solanales", "family": "Solanaceae", "scientificName": "Solanum hirtum", "scientificNameAuthorship": "Vahl", "genus": "Solanum", "subgenus": "", "specificEpithet": "hirtum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Dur\u00c3\u00a1n", "recordNumber": "2862", "verbatimEventDate": "1997-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Yucat\u00c3\u00a1n", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}