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": ""}
   L<z asteraceae   Ml! asterales     4s United States  v)cA .    s.n. ->      1538628 I   PERHAPS GATHERED BY SAGER IN FLORIDA, WHERE THIS SPEhCIES IS FREQUENT 06 Y3    TE Contact UM Herbarium rotundifolium ;5l     [ abram sager Eupator|um rotundifolium 0=f  
{"catalogNumber": "1538628", "order": "Asterales", "family": "Asteraceae", "scientificName": "Eupatorium rotundifolium", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "rotundifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Abram Sager", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Perhaps gathered by Sager in Florida, where this species is frequent", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}