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": ""}
            f7V 1958-09-14     michigan Wa!LW    Lp. ( NEAR BLUE CREEK, CENTER E1/2 SE. 14, BENTON TP., CA. 1 MI. W OF MILLBURG.   G D eutrochium maculatum var. maculatum    OPEN MARSHY GROUND Z 7n    maculatum DPDlL 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Eutrochium maculatum var. maculatum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "maculatum", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1958-09-14", "habitat": "open marshy ground", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "near Blue Creek, center E1/2 sec. 14, Benton Tp., ca. 1 mi. W of Millburg.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}