Xiao Wang is a librarian responsible for shelving 7 books labeled A, B, C, D, E, F, G on a shelf with positions 1 to 7.

The constraints are:
1. Book A cannot be placed in position 6.
2. Book E must be to the left of book C.
3. Book F cannot be placed in position 4.
4. Book C must be adjacent to book F.
5. Book A must be adjacent to book B.
6. Book E must be adjacent to book C.
7. Book D must be placed in position 2.
8. Book G must be to the left of book F.

Question:
Based on the above conditions, please arrange the 7 books from left to right on the bookshelf, i.e. positions 1 through 7. Return your answer with the format <<< a list of strings >>>, one solution is enough.for example:
<<<["A", "B", "C"]>>>
Your answer:
