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
b1a1
b1f1
b1e1
b1d1
b1c1
b1b6
b1b5
b1b4
b1b3
b1b2
g1h1
g1f2
g1f1
e2d1
e2d3
e2f1
e2h5
e2g4
e2f3
g2g4
g2g3
h2h3
a3a1
a3a2
a3d3
a3c3
a3b3
a3a4
e3e4
c4c5
d4e5
d4d5
h4e1
h4f2
h4g3
h4f6
h4g5

## Board State Fen
2rrb1k1/6pp/1p3p2/p3p3/n1PP3B/R3P3/4B1PP/1R4K1 w - - 0 27
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
b1a1
b1f1
b1e1
b1d1
b1c1
b1b6
b1b5
b1b4
b1b3
b1b2
g1h1
g1f2
g1f1
e2d1
e2d3
e2f1
e2h5
e2g4
e2f3
g2g4
g2g3
h2h3
a3a1
a3a2
a3d3
a3c3
a3b3
a3a4
e3e4
c4c5
d4e5
d4d5
h4e1
h4f2
h4g3
h4f6
h4g5

## Board State Fen
2rrb1k1/6pp/1p3p2/p3p3/n1PP3B/R3P3/4B1PP/1R4K1 w - - 0 27
assistant
d4e5