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
a1b2
a1e1
a1d1
a1c1
a1b1
a1a6
a1a5
a1a4
a1a3
a1a2
f1b1
f1c1
f1d1
f1e1
g1h1
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b4a2
b4a6
b4c2
b4c6
b4d3
b4d5
c4a2
c4b3
c4a6
c4b5
c4e2
c4d3
c4f7
c4e6
c4d5
a7a2
a7a3
a7a4
a7a5
a7a6
a7d7
a7c7
a7b7
a7a8

## Board State Fen
r1q2r1k/R2b1p1p/3p2p1/4p1b1/1NB1P3/2P5/5PPP/Q4RK1 w - - 6 28
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
a1b2
a1e1
a1d1
a1c1
a1b1
a1a6
a1a5
a1a4
a1a3
a1a2
f1b1
f1c1
f1d1
f1e1
g1h1
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b4a2
b4a6
b4c2
b4c6
b4d3
b4d5
c4a2
c4b3
c4a6
c4b5
c4e2
c4d3
c4f7
c4e6
c4d5
a7a2
a7a3
a7a4
a7a5
a7a6
a7d7
a7c7
a7b7
a7a8

## Board State Fen
r1q2r1k/R2b1p1p/3p2p1/4p1b1/1NB1P3/2P5/5PPP/Q4RK1 w - - 6 28
assistant
a7a8