import re
line = r'#pragma MESSAGE "Hello World" 0000=1 /* Clarification 0001: [[Specific Clarification]] */'
content_new = re.sub(r'/\*(.*?)\*/', lambda x: re.sub(r'.*(\[\[.*?]]).*', r'# \1', x.group(1)), line)
print(content_new)
aW1wb3J0IHJlCgpsaW5lID0gcicjcHJhZ21hIE1FU1NBR0UgIkhlbGxvIFdvcmxkIiAwMDAwPTEgLyogQ2xhcmlmaWNhdGlvbiAwMDAxOiBbW1NwZWNpZmljIENsYXJpZmljYXRpb25dXSAqLycKY29udGVudF9uZXcgPSByZS5zdWIocicvXCooLio/KVwqLycsIGxhbWJkYSB4OiByZS5zdWIocicuKihcW1xbLio/XV0pLionLCByJyMgXDEnLCB4Lmdyb3VwKDEpKSwgbGluZSkKCnByaW50KGNvbnRlbnRfbmV3KQ==