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
c1d2
c1b1
d1h1
d1g1
d1f1
d1e1
d1d5
d1d4
d1d3
d1d2
a2a4
a2a3
c2c3
g2g4
g2g3
h2h4
h2h3
b3a1
b3a5
b3c5
b3d2
b3d4
c4a6
c4b5
c4f1
c4e2
c4d3
c4e6
c4d5
d6d7

## Board State Fen
2k2b1r/1b3ppp/p2Pp3/8/2B5/1N6/PPP3PP/2KR3n w - - 0 20
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
c1d2
c1b1
d1h1
d1g1
d1f1
d1e1
d1d5
d1d4
d1d3
d1d2
a2a4
a2a3
c2c3
g2g4
g2g3
h2h4
h2h3
b3a1
b3a5
b3c5
b3d2
b3d4
c4a6
c4b5
c4f1
c4e2
c4d3
c4e6
c4d5
d6d7

## Board State Fen
2k2b1r/1b3ppp/p2Pp3/8/2B5/1N6/PPP3PP/2KR3n w - - 0 20
assistant
d6d7