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": ""}
   16694 ZT$   NPtn  2 mi N of El Canelo, along Hwy 57 nuevo leon A   1157700     %n DRY ROCK RANGE   YS4 Euphorbia cin erascens  .4 ENGELM. IN TORR.   h?jca  Malpighiales       Rogers McVaugh ,c4O   MEXICO J KP%    
{"catalogNumber": "1157700", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia cinerascens", "scientificNameAuthorship": "Engelm. in Torr.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "", "recordNumber": "16694", "verbatimEventDate": "", "habitat": "dry rock range", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nuevo Leon", "county": "", "municipality": "", "locality": "2 mi N of El Canelo, along Hwy 57", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}