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
b4a3
b4a5
b4c3
b4f8
b4e7
b4d6
b4c5
d5e4
d5d4
c6c5
f6e4
f6g4
f6d7
f6h5
a7a5
a7a6
g7g5
g7g6
h7h5
h7h6
b8a8
b8b5
b8b6
b8b7
c8a6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
d8e7
d8d6
d8d7
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
1rbqr1k1/p1p2ppp/2p2n2/3p4/1b2P3/2NB3P/PPPB1PP1/R2QR1K1 b - - 0 11
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
b4a3
b4a5
b4c3
b4f8
b4e7
b4d6
b4c5
d5e4
d5d4
c6c5
f6e4
f6g4
f6d7
f6h5
a7a5
a7a6
g7g5
g7g6
h7h5
h7h6
b8a8
b8b5
b8b6
b8b7
c8a6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
d8e7
d8d6
d8d7
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
1rbqr1k1/p1p2ppp/2p2n2/3p4/1b2P3/2NB3P/PPPB1PP1/R2QR1K1 b - - 0 11
assistant
d5e4