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
e4e3
a5b4
d6c5
d6b8
d6c7
d6g3
d6f4
d6e5
d6e7
d6e6
d6d8
d6d7
f6f5
g6f4
g6h4
g6h8
g6e5
g6e7
h7h5
h7h6
a8a6
a8a7
a8b8
c8a6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
f8d8
f8e8
f8f7
g8h8
g8f7

## Board State Fen
r1b2rk1/6pp/2pq1pn1/p1Np4/PP1Pp3/2P3P1/3QNP1P/R3R1K1 b - - 0 19
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
e4e3
a5b4
d6c5
d6b8
d6c7
d6g3
d6f4
d6e5
d6e7
d6e6
d6d8
d6d7
f6f5
g6f4
g6h4
g6h8
g6e5
g6e7
h7h5
h7h6
a8a6
a8a7
a8b8
c8a6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
f8d8
f8e8
f8f7
g8h8
g8f7

## Board State Fen
r1b2rk1/6pp/2pq1pn1/p1Np4/PP1Pp3/2P3P1/3QNP1P/R3R1K1 b - - 0 19
assistant
a5b4