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": ""}
  M[C SANDY ALLUVIUM   1952-06-26 Op9     Acalypha 3a  jacq. QNL      =  Mexico    70<? acalypha alopecuroides NO DATA ,  8 mi. e. of Acapulco o<       Rogers McVaugh b[     a B 1155975   k 2937
{"catalogNumber": "1155975", "order": "", "family": "", "scientificName": "Acalypha alopecuroides", "scientificNameAuthorship": "Jacq.", "genus": "Acalypha", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "", "recordNumber": "2937", "verbatimEventDate": "1952-06-26", "habitat": "sandy alluvium", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "no data", "municipality": "", "locality": "8 mi. e. of Acapulco", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}