import binascii


def to_synth_bytes(some_str):
    """Convert a string to flowsynth formatted hex"""
    str_hex = binascii.hexlify(some_str).decode("utf-8")
    out = "\\x" + "\\x".join(
        [str_hex[i:i + 2] for i in range(0, len(str_hex), 2)])
    return out