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
e1a1
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e4
e1e3
e1e2
g2g4
g2g3
h2h4
h2h3
c4c3
c4b3
b5a3
b5a7
b5c3
b5c7
b5d4
b5d6
a6a1
a6a2
a6a3
a6a4
a6a5
a6c6
a6b6
a6a8
a6a7

## Board State Fen
2rr2k1/5pp1/R1n1p2p/1NP1P3/2K5/8/6PP/4R3 w - - 9 36
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
e1a1
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e4
e1e3
e1e2
g2g4
g2g3
h2h4
h2h3
c4c3
c4b3
b5a3
b5a7
b5c3
b5c7
b5d4
b5d6
a6a1
a6a2
a6a3
a6a4
a6a5
a6c6
a6b6
a6a8
a6a7

## Board State Fen
2rr2k1/5pp1/R1n1p2p/1NP1P3/2K5/8/6PP/4R3 w - - 9 36
assistant
b5d6