def smart_truncate(line):
    
    line = line.lower()

    for pattern, replacement in trans:
        line = re.sub(pattern, replacement, line)
    
    pipe_parts = line.split('|')
    if len(pipe_parts) > 1:
        line = pipe_parts[0] + '|A'

    for x in line.split('/'):
        if x in avian:
            line = re.sub(x, 'avian', line)
            
    double_start = line.rfind(line[1:PREFIX_LENGTH], PREFIX_LENGTH)
    if double_start != -1:
        line = line[double_start:] 

    return line.strip().title() + '\r\n'