?? you already have your pawn on c6.
here's what i have the current board state as.
| R | | B | Q | K | B | N | R |
| P | | | P | P | P | P | P |
| N | | P | | | | | |
| | b | | | p | | | |
| | | | p | | b | | |
| p | | n | | | q | | |
| | p | p | | | p | p | p |
| r | | | | k | | n | r |
lower case letter are me, upper case letters are you, r = rook, b = bishop, q = queen, k=king, n=knight, p = pawn.