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": ""}
1504 ^ig g    : L.    <]p~ 1480974  GRAVELLY ROADSIDE WITzH ACHILLEA MILLEFOLIUM, ANTHOXANTHUM ODORATUM, RUMEX ACETOSELLA. FLOWERS YELLOW. ($dGf   ]  UNITED STATES        _~~d 2014-07-16 HYPOCHAERIS nI[m     3 47.4627        radicata |2OW 
{"catalogNumber": "1480974", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Hypochaeris", "subgenus": "", "specificEpithet": "radicata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1504", "verbatimEventDate": "2014-07-16", "habitat": "Gravelly roadside with Achillea millefolium, Anthoxanthum odoratum, Rumex acetosella. Flowers yellow.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "47.4627", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}