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
b6a5
b6f2
b6e3
b6d4
b6c5
c6b4
c6b8
c6d4
c6a5
c6e7
h5g3
h5f4
f6e7
f6h4
f6g5
f6d6
f6e6
f6f5
g6f5
a7a5
a7a6
h7h6
d8a8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8e8
f8e8
f8g8
h8g8

## Board State Fen
3r1r1k/ppp2ppp/1bn2qb1/4pN1n/1PN1P3/2P2Q1P/P1B2PP1/R1B1R1K1 b - - 2 18
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
b6a5
b6f2
b6e3
b6d4
b6c5
c6b4
c6b8
c6d4
c6a5
c6e7
h5g3
h5f4
f6e7
f6h4
f6g5
f6d6
f6e6
f6f5
g6f5
a7a5
a7a6
h7h6
d8a8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8e8
f8e8
f8g8
h8g8

## Board State Fen
3r1r1k/ppp2ppp/1bn2qb1/4pN1n/1PN1P3/2P2Q1P/P1B2PP1/R1B1R1K1 b - - 2 18
assistant
h5f4