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": ""}
 CONTACT UM HERBARIUM ` 4 O    Z asteraceae  U3 1538628  ABRAM SAGER EV     f S.N.   REV.U eupatorium    MqhM1 Asterales l. e,O5!   UNITED STATES LX  ROTUNDIFOLIUN muj   perhaps gathered by s/ager in florida, where this species is frequent   W       EUPATORIUM ROTUNDIFOLIUM ]Uk  
{"catalogNumber": "1538628", "order": "Asterales", "family": "Asteraceae", "scientificName": "Eupatorium rotundifolium", "scientificNameAuthorship": "L.", "genus": "Eupatorium", "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": ""}