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": ""}
 49IM 1973-03-18 23054  :6       <b%4 EUGENIA    d: Contact UM Herbarium MYRTALES *-x    D THOMAS B. CROAT  F.R. BARRIE ;i   L b VERAGUAS  1194168 C$Lr]   eugenia siggersii zOW   < Panama       , siggersii  VB Myrtaceae  G3 standl.
{"catalogNumber": "1194168", "order": "Myrtales", "family": "Myrtaceae", "scientificName": "Eugenia siggersii", "scientificNameAuthorship": "Standl.", "genus": "Eugenia", "subgenus": "", "specificEpithet": "siggersii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F.R. Barrie", "recordedBy": "Thomas B. Croat", "recordNumber": "23054", "verbatimEventDate": "1973-03-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Panama", "stateProvince": "Veraguas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}