@property<EOL><INDENT>def reverse_id(self):<DEDENT>
return '<STR_LIT:_>'.join((self.id, '<STR_LIT>',<EOL>hashlib.md5(<EOL>self.id.encode('<STR_LIT:utf-8>')).hexdigest()[<NUM_LIT:0>:<NUM_LIT:5>]))<EOL>
Generate the id of reverse_variable from the reaction's id.