void main()
{
    string sNPCTag = GetTag(OBJECT_SELF);
    object oStore = GetNearestObjectByTag("STORE_" + sNPCTag + "2");

    if (GetObjectType(oStore) == OBJECT_TYPE_STORE)
        OpenStore(oStore, GetPCSpeaker());
    else
        ActionSpeakString("Sorry, the store is closed", TALKVOLUME_TALK);
}