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: CCOC(=O)[C@H](CCc1ccccc1)N[C@@H]1CCCN2CCC[C@@H](C(=O)O)N2C1=O
b: CC[N+](C)(C)c1cccc(O)c1
c: COc1cc(C)c(S(C)=O)cc1OC
d: CCc1cccc2c1N[C@@H]1[C@H]2CCOC1(CC(=O)O)CC(=O)O
Answer: b
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}