Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) C=C(c1ccc(Cl)cc1)C1CCN(CCCCCCC)CC1
(b) CC(C)N(C)[C@@H]1CC[C@H](N2CC[C@H](NC(=O)c3cccc(C(F)(F)F)c3)C2=O)[C@H](CS(=O)(=O)C(C)C)C1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
4-[1-(4-chlorophenyl)ethenyl]-1-heptyl-piperidine