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": ""}
 UTM: 251038, Map: 401/5, Square: 17MT20 8R0 _    7rF$  howard township, hwy. 21 at hwy. 401 interchange, westbound offramp from hwy. 401,  1990-10-06 E bH   FH 1423125   $v& MICHAEL J. O1DHAM    5AkTi Puccinellia nuttalliana             ONTARIO <  W_   
{"catalogNumber": "1423125", "order": "", "family": "", "scientificName": "Puccinellia nuttalliana", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "", "verbatimEventDate": "1990-10-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Howard Township, Hwy. 21 at Hwy. 401 interchange, westbound offramp from Hwy. 401,", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM: 251038, Map: 401/5, Square: 17MT20", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}