I had a similar problem before but then I used a packet sniffer. Latched on to a GG-less client and recorded the packet.
Another is to check out the following options under config.txt
http://wiki.openkore.com/index.php/Category:Config.txt
Debug
DebugDomains
DebugPacket exclude
DebugPacket include
DebugPacket include dumpMethod
DebugPacket received
DebugPacket ro sent
DebugPacket sent
DebugPacket unparsed
What you might be interested in particular is
DebugPacket ro sent
DebugPacket sent
Place your character in a remote location (Where your console won't be flooded) then brew your celermine
It should show you the packet sent when you selected the option for the celermine
I'm 90% sure this should work. Tell me if it does
