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": ""}
   1895-07-21 B7     -85.668086 C3gNM    UNITED STATES o:!)    U8p HYDROCOTYLE AMERICANA 1472894 a S    grace fyfe & b.e. livingston f   2 Iapiales KSM40469 J   michigan JX>      s.n. [E   _  gran.d rapids 
{"catalogNumber": "1472894", "order": "Apiales", "family": "", "scientificName": "Hydrocotyle americana", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Grace Fyfe & B.E. Livingston", "recordNumber": "s.n.", "verbatimEventDate": "1895-07-21", "habitat": "", "occurrenceRemarks": "KSM40469", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Grand Rapids", "decimalLatitude": "", "decimalLongitude": "-85.668086", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}