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, b, c, or d without using any additional words.
Options:
a O=S(=O)(c1ccccc1)c1ccc(C=Cc2ccc(F)cc2)nc1
b COc1ccc(CCN(C)CCC[C@](C#N)(c2ccc(OC)c(OC)c2)C(C)C)cc1OC
c COc1ccc(-c2cc(=O)c3cc(C)ccc3o2)cc1
d CC(C)C[C@H](CN)Nc1cc(Nc2cccc(C(C)(C)C)n2)c(C(N)=O)nn1
Answer: a, b, d
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-[2-(4-fluorophenyl)ethenyl]-5-(phenylsulfonyl)pyridine