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
b1a1
b1e1
b1d1
b1c1
b1b6
b1b5
b1b4
b1b3
b1b2
f1c1
f1d1
f1e1
g1h1
a2a4
a2a3
c2a4
c2b3
c2d1
c2f5
c2e4
c2d3
c2b2
c2c1
c2c3
d2c1
d2a5
d2b4
d2c3
d2e1
f2f4
f2f3
g2e4
g2f3
g2h1
g2h3
h2h3
e3e4
g3h4
g3g4
d5d6

## Board State Fen
4rrk1/p1pq1pb1/1p4p1/2pP1n2/2P4p/4P1P1/P1QB1PBP/1R3RK1 w - - 0 21
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
b1a1
b1e1
b1d1
b1c1
b1b6
b1b5
b1b4
b1b3
b1b2
f1c1
f1d1
f1e1
g1h1
a2a4
a2a3
c2a4
c2b3
c2d1
c2f5
c2e4
c2d3
c2b2
c2c1
c2c3
d2c1
d2a5
d2b4
d2c3
d2e1
f2f4
f2f3
g2e4
g2f3
g2h1
g2h3
h2h3
e3e4
g3h4
g3g4
d5d6

## Board State Fen
4rrk1/p1pq1pb1/1p4p1/2pP1n2/2P4p/4P1P1/P1QB1PBP/1R3RK1 w - - 0 21
assistant
g2h3