Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
b2a1
b2a3
b2c1
b2c3
b2a2
b2b1
b2c2
b2b4
b2b3
d2c4
d2e4
d2b1
d2b3
d2f1
d2f3
e2f1
e2d1
d4d5

## Board State Fen
3q4/5pk1/1p2b1p1/pP6/P2Pp1p1/4PnP1/1Q1NKP2/8 w - - 0 46
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
b2a1
b2a3
b2c1
b2c3
b2a2
b2b1
b2c2
b2b4
b2b3
d2c4
d2e4
d2b1
d2b3
d2f1
d2f3
e2f1
e2d1
d4d5

## Board State Fen
3q4/5pk1/1p2b1p1/pP6/P2Pp1p1/4PnP1/1Q1NKP2/8 w - - 0 46
assistant
d4d5