

You are a specialist in playing 6-handed No Limit Texas Holdem. The following will be a game scenario and you need to make the optimal decision.

Here is a game summary:

The small blind is 0.5 chips and the big blind is 1 chips. Everyone started with 100 chips.
The player positions involved in this game are UTG, HJ, CO, BTN, SB, BB.
In this hand, your position is CO, and your holding is [Queen of Spade and Nine of Spade].
Before the flop, CO raise 2.3 chips, and BTN call. Assume that all other players that is not mentioned folded.
The flop comes Nine Of Diamond, Ten Of Spade, and Eight Of Spade, then CO check, and BTN check.
The turn comes Five Of Diamond, then CO bet 8 chips, BTN raise 23 chips, and CO call.
The river comes Two Of Spade, then CO bet 26 chips, and BTN raise 74 chips.
You currently have Flush(Flush, Queen-high).

Now it is your turn to make a move.
To remind you, the current pot size is 152.0 chips, and your holding is [Queen of Spade and Nine of Spade]. You currently have Flush.

Decide on an action based on the strength of your hand on this board, your position, and actions before you. Do not explain your answer.
Your optimal action is: