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": ""}
494 EN     Mmd laxiculmis      ;Ki: e1375458       7a STEVEN R.2 HILL    +( LAXICULMIS   GE0* pennsylvania UNITED STATES M^   41.146717 [Rw4L   US ROUTE I-80 WEST, MILE 88!, 1.3 MILE EAST OF REVNOLDSVILLE & PA ROUTE 830 (EXI 86), JUST EAST OF PINE TOWNSHIP, EAST END OF REST AREA.  @    carex _8HbW 
{"catalogNumber": "1375458", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "laxiculmis", "verbatimTaxonRank": "", "infraspecificEpithet": "laxiculmis", "identifiedBy": "", "recordedBy": "Steven R. Hill", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "", "municipality": "", "locality": "US Route I-80 West, mile 88, 1.3 mile east of Reynoldsville & PA Route 830 (exit 86), just east of Pine Township, east end of rest area.", "decimalLatitude": "41.146717", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "494", "maximumElevationInMeters": ""}