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
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4h4
d4g4
d4f4
d4e4
d4d8
d4d7
d4d6
d4d5
h3h4
g2g4
g2g3
f3f4
g1h2
g1h1
g1f1
c3a5
c3b4
c3e1
c3d2
a3a4
b2b4
b2b3

## Board State Fen
8/pp4p1/2b1k3/6pp/3R4/P1B2P1P/1Pr3P1/6K1 w - - 1 33
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
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4h4
d4g4
d4f4
d4e4
d4d8
d4d7
d4d6
d4d5
h3h4
g2g4
g2g3
f3f4
g1h2
g1h1
g1f1
c3a5
c3b4
c3e1
c3d2
a3a4
b2b4
b2b3

## Board State Fen
8/pp4p1/2b1k3/6pp/3R4/P1B2P1P/1Pr3P1/6K1 w - - 1 33
assistant
d4d2