Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(CCCN1CCC(O)(c2ccccc2)CC1)c1ccccc1
[b] COc1ccc(-c2cc(-c3ccc(S(=O)(=O)N4CCOCC4)cc3)cnc2N)cn1
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-(4-hydroxy-4-phenylpiperidin-1-yl)-1-phenylbutan-1-one