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
a4a3
b5b4
c5c4
e5f4
d6d5
f6e4
f6g4
f6d5
f6h5
f6h7
h6h5
c7a5
c7b6
c7b8
c7d8
c7a7
c7b7
c7c6
c7c8
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
e7d5
e7f5
e7c6
e7c8
e7g6
g7g5
g7g6
a8a5
a8a6
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r3r1k1/2qbnpp1/3p1n1p/1pp1p3/p3PP1N/2PPN1PP/PP2Q1B1/R4RK1 b - - 2 17
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
a4a3
b5b4
c5c4
e5f4
d6d5
f6e4
f6g4
f6d5
f6h5
f6h7
h6h5
c7a5
c7b6
c7b8
c7d8
c7a7
c7b7
c7c6
c7c8
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
e7d5
e7f5
e7c6
e7c8
e7g6
g7g5
g7g6
a8a5
a8a6
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r3r1k1/2qbnpp1/3p1n1p/1pp1p3/p3PP1N/2PPN1PP/PP2Q1B1/R4RK1 b - - 2 17
assistant
e5f4