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
a1c1
a1b1
a1a3
a1a2
d1b1
d1c1
d1g1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
h1g1
e2a6
e2b5
e2c4
e2d3
e2f1
h2h3
e3c1
e3d2
e3a7
e3b6
e3c5
e3d4
e3g5
e3f4
f3f4
a4a5
b4b5

## Board State Fen
r4r2/1p3pk1/2p2n1p/4p1p1/PP2P2n/4BP2/4BP1P/R2R3K w - - 0 26
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
a1c1
a1b1
a1a3
a1a2
d1b1
d1c1
d1g1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
h1g1
e2a6
e2b5
e2c4
e2d3
e2f1
h2h3
e3c1
e3d2
e3a7
e3b6
e3c5
e3d4
e3g5
e3f4
f3f4
a4a5
b4b5

## Board State Fen
r4r2/1p3pk1/2p2n1p/4p1p1/PP2P2n/4BP2/4BP1P/R2R3K w - - 0 26
assistant
d1b1