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 additional words.
Options:
(a) Cc1cc(N2CCC(C3CCN(c4ncc(Cl)cn4)CC3)CC2)nc(C#N)n1
(b) c1ccc(C2=Nc3ccccc3C2C2CCN(c3ccccc3)CC2)cc1
Answer: a, b
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}
2-phenyl-3-(1-phenylpiperidin-4-yl)-3H-indole