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": ""}
arvense =C        <rg^ w. of 1301 N. Main St., Adrian ROBERT W. SMITH o   7mgN. 708 1985-06-06 1hkZ  var. Dw#Y   Asterales <eSFJ    1252930 >%O    !] CIRSIUM  arvense fb   MICHIGAN P     as7eraceae e~   h sandy waste  3  lenawee 
{"catalogNumber": "1252930", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Cirsium", "subgenus": "", "specificEpithet": "arvense", "verbatimTaxonRank": "var.", "infraspecificEpithet": "arvense", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "708", "verbatimEventDate": "1985-06-06", "habitat": "sandy waste", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "w. of 1301 N. Main St., Adrian", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}