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": ""}
 LMICHIGAN UNITED STATES V$u2x      achillea millefolium b     ^47# MILLEFOLIUM   1918-06-21 MH  l. S  WASHTENAW L5y  asterales j    achillea oi(U  "(red flower specimen)" ~ MB5       Branson A. Walpole  Eo    
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Achillea millefolium", "scientificNameAuthorship": "L.", "genus": "Achillea", "subgenus": "", "specificEpithet": "millefolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Branson A. Walpole", "recordNumber": "", "verbatimEventDate": "1918-06-21", "habitat": "", "occurrenceRemarks": "\"(Red flower specimen)\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}