Esmile

From xat wiki

This power replaces any regular (smile) smilies that you post with another smiley that also has a smile. If you'd like to see a list all replacement smilies, click here.

If you want to use the regular (smile) smiley, you have to type it in uppercase, i.e. (SMILE).

Smilies

a_(esmile)_40?.png
a_(randomsmile)_40?.png