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": ""}
       3463 C!V Y   michigan /%      (L.) PERS. X&I   annuus a    Erigeron annuus |:8l     weed in sandy soil near old ann arbor rr depot vD,D   UR>f/ 1991-07-30   RUS GARLITZ  RN 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Erigeron annuus", "scientificNameAuthorship": "(L.) Pers.", "genus": "", "subgenus": "", "specificEpithet": "annuus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Russ Garlitz", "recordNumber": "3463", "verbatimEventDate": "1991-07-30", "habitat": "Weed in sandy soil near old Ann Arbor RR depot", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}