Task: Please answer the multiple choice question.
Question: Which molecules are not absorbed from the human gastrointestinal system?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CC[N+](CC)(CC)CCOc1cccc(OCC[N+](CC)(CC)CC)c1OCC[N+](CC)(CC)CC
[b] O=C(c1ccccc1)c1ccc2n1CC[C@@H]2C(=O)O
[c] CC(C)N[C@@H](O)c1ccc(O)c(O)c1
[d] CNNCc1ccc(C(=O)NC(C)C)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {absorption_HIA_Hou#not &NULL}{absorption_HIA_Hou__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%absorption_HIA_Hou%}
Answer: {%multiple_choice_result}