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
b1c2
b1a2
b1a1
c1h1
c1g1
c1f1
c1e1
c1d1
c1c3
c1c2
b2b4
b2b3
f2f4
f2f3
a3a4
d3b3
d3c3
d3d1
d3d2
d3d8
d3d7
d3d6
d3d5
d3d4
e3e4
g3e5
g3f4
g3h2
c4b6
c4d2
c4d6
c4a5
c4e5
h4h5

## Board State Fen
1r4k1/4b3/2n3pp/1r2pp2/2N4P/P2RP1B1/1P3PP1/1KR5 w - - 4 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
b1c2
b1a2
b1a1
c1h1
c1g1
c1f1
c1e1
c1d1
c1c3
c1c2
b2b4
b2b3
f2f4
f2f3
a3a4
d3b3
d3c3
d3d1
d3d2
d3d8
d3d7
d3d6
d3d5
d3d4
e3e4
g3e5
g3f4
g3h2
c4b6
c4d2
c4d6
c4a5
c4e5
h4h5

## Board State Fen
1r4k1/4b3/2n3pp/1r2pp2/2N4P/P2RP1B1/1P3PP1/1KR5 w - - 4 27
assistant
d3d2