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
a1f1
a1e1
a1d1
a1c1
a1b1
a1a8
a1a7
a1a6
a1a5
a1a4
a1a3
a1a2
g1b1
g1c1
g1d1
g1e1
g1f1
g1h1
g1g2
d2c4
d2e4
d2b1
d2f1
d2f3
e2f3
e2f1
e2e3
e2e1
e2d1
f2f4
f2f3
b3b4
c3c4
d3c1
d3c5
d3e1
d3e5
d3b2
d3b4
d3f4
g3g4
d4d5

## Board State Fen
rr6/3kbpp1/1n1pp3/1p5p/3P3P/1PPN2P1/3NKP2/R5R1 w - - 1 28
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
a1f1
a1e1
a1d1
a1c1
a1b1
a1a8
a1a7
a1a6
a1a5
a1a4
a1a3
a1a2
g1b1
g1c1
g1d1
g1e1
g1f1
g1h1
g1g2
d2c4
d2e4
d2b1
d2f1
d2f3
e2f3
e2f1
e2e3
e2e1
e2d1
f2f4
f2f3
b3b4
c3c4
d3c1
d3c5
d3e1
d3e5
d3b2
d3b4
d3f4
g3g4
d4d5

## Board State Fen
rr6/3kbpp1/1n1pp3/1p5p/3P3P/1PPN2P1/3NKP2/R5R1 w - - 1 28
assistant
d3b4