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": ""}
   united states ^ 4  HYDRANGEACEAE      C.H. DREISBACH s:nr:  Illinois :;]   philadelphus coronarius $A0B   vp L8 naperville    ^ 1912-06-05   1863 R Q:   SRJ6D CORONARIUS c.h. dreisbach :G       :iqQ PHILADELPHUS   R[T l. 
{"catalogNumber": "", "order": "", "family": "Hydrangeaceae", "scientificName": "Philadelphus coronarius", "scientificNameAuthorship": "L.", "genus": "Philadelphus", "subgenus": "", "specificEpithet": "coronarius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C.H. Dreisbach", "recordedBy": "C.H. Dreisbach", "recordNumber": "1863", "verbatimEventDate": "1912-06-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "", "municipality": "", "locality": "Naperville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}