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 other words.
Options:
a CN1C[C@H]2CCN(c3ccc(-c4ccc(C#N)cc4)cc3)[C@H]2C1
b Cc1nc2ccccc2n1C1CC2CCC(C1)N2CCC1(c2cccc(F)c2)CCN(C(=O)c2cc(S(N)(=O)=O)ccc2Cl)CC1
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-[(3aR,6aR)-5-methyl-2,3,3a,4,6,6a-hexahydropyrrolo[2,3-c]pyrrol-1-yl]phenyl]benzonitrile