Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C1=C(c2nc(-c3ccncc3)no2)c2ccccc2C12CCN(CC1CCCO1)CC2
b: Cc1cc(C#N)ccc1-c1ccnc(NCc2[nH]nc(-c3ccccn3)c2Cl)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}
5-[1'-(oxolan-2-ylmethyl)spiro[indene-3,4'-piperidine]-1-yl]-3-pyridin-4-yl-1,2,4-oxadiazole