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
c1a1
c1b1
c1c2
d1a4
d1b3
d1c2
d1d3
d1d2
e1d2
h1g1
a2a4
a2a3
b2b3
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
h2h3
c4d5
c4c5
d4c2
d4c6
d4e6
d4b3
d4b5
d4f3
d4f5
h4g3
h4f6
h4g5

## Board State Fen
rnbq1rk1/pp3pp1/4pn1p/3p4/1bPN3B/2N5/PP2PPPP/2RQKB1R w K d6 0 9
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
c1a1
c1b1
c1c2
d1a4
d1b3
d1c2
d1d3
d1d2
e1d2
h1g1
a2a4
a2a3
b2b3
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
h2h3
c4d5
c4c5
d4c2
d4c6
d4e6
d4b3
d4b5
d4f3
d4f5
h4g3
h4f6
h4g5

## Board State Fen
rnbq1rk1/pp3pp1/4pn1p/3p4/1bPN3B/2N5/PP2PPPP/2RQKB1R w K d6 0 9
assistant
e2e3