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
b1b3
b1b2
c1a3
c1b2
c1d2
e1d1
e1e2
f1d3
f1e2
h1g1
a2a4
a2a3
g2g4
g2g3
h2h4
h2h3
c3b5
c3d1
c3d5
c3a4
c3e2
e3d1
e3d5
e3f5
e3c2
e3g4
f3f4
b4b5
c4c5
d6c5
d6b8
d6c7
d6e5
d6f8
d6e7
d6c6
d6d1
d6d2
d6d3
d6d4
d6d5
d6e6
d6d8
d6d7

## Board State Fen
r3r1k1/pp3pbp/nqpQb1p1/4n3/1PP1P3/2N1NP2/P5PP/1RB1RB1K w - - 1 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
b1b3
b1b2
c1a3
c1b2
c1d2
e1d1
e1e2
f1d3
f1e2
h1g1
a2a4
a2a3
g2g4
g2g3
h2h4
h2h3
c3b5
c3d1
c3d5
c3a4
c3e2
e3d1
e3d5
e3f5
e3c2
e3g4
f3f4
b4b5
c4c5
d6c5
d6b8
d6c7
d6e5
d6f8
d6e7
d6c6
d6d1
d6d2
d6d3
d6d4
d6d5
d6e6
d6d8
d6d7

## Board State Fen
r3r1k1/pp3pbp/nqpQb1p1/4n3/1PP1P3/2N1NP2/P5PP/1RB1RB1K w - - 1 21
assistant
c3a4