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
b4a2
b4c2
b4c6
b4d3
b4d5
a6a5
e6e5
b7e4
b7d5
b7c6
b7c8
e7c5
e7d6
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
e8g8
e8f8
h8f8
h8g8

## Board State Fen
r2qk2r/1b2bppp/p3p3/1p6/1n2N3/1P2PB2/P4PPP/R1BQ1RK1 b kq - 2 15
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
b4a2
b4c2
b4c6
b4d3
b4d5
a6a5
e6e5
b7e4
b7d5
b7c6
b7c8
e7c5
e7d6
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
e8g8
e8f8
h8f8
h8g8

## Board State Fen
r2qk2r/1b2bppp/p3p3/1p6/1n2N3/1P2PB2/P4PPP/R1BQ1RK1 b kq - 2 15
assistant
e8g8