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
f1a1
f1b1
f1c1
f1d1
f1e1
g1h1
g1g2
f2f4
f2f3
h2h4
h2h3
c3c4
g3g4
d5c7
d5e3
d5e7
d5b4
d5b6
d5f4
d5f6

## Board State Fen
5rk1/5p1p/p7/3Nb3/p3p3/2P3P1/5P1P/5RK1 w - - 0 29
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
f1a1
f1b1
f1c1
f1d1
f1e1
g1h1
g1g2
f2f4
f2f3
h2h4
h2h3
c3c4
g3g4
d5c7
d5e3
d5e7
d5b4
d5b6
d5f4
d5f6

## Board State Fen
5rk1/5p1p/p7/3Nb3/p3p3/2P3P1/5P1P/5RK1 w - - 0 29
assistant
f1a1