Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] FC(F)Oc1ccccc1CC(c1ccccc1)N1CCNCC1
[b] F[C@@H]1CCNCC1c1c(-c2ccccc2)[nH]c2ccc(Cl)cc12
Answer: 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}
5-chloro-3-[(4R)-4-fluoropiperidin-3-yl]-2-phenyl-1H-indole