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
d5c4
d5e4
d5d4
c6c5
d6a3
d6b4
d6c5
d6b8
d6c7
d6f8
d6e7
f6e4
f6g4
f6d7
f6h5
a7a5
a7a6
g7g6
h7h5
h7h6
a8b8
c8a6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
d8a5
d8b6
d8c7
d8e7
d8d7
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r1bqr1k1/p4ppp/2pb1n2/3pp1B1/N1P1P3/P2B4/1P2QPPP/R4RK1 b - - 2 13
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
d5c4
d5e4
d5d4
c6c5
d6a3
d6b4
d6c5
d6b8
d6c7
d6f8
d6e7
f6e4
f6g4
f6d7
f6h5
a7a5
a7a6
g7g6
h7h5
h7h6
a8b8
c8a6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
d8a5
d8b6
d8c7
d8e7
d8d7
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r1bqr1k1/p4ppp/2pb1n2/3pp1B1/N1P1P3/P2B4/1P2QPPP/R4RK1 b - - 2 13
assistant
h7h6