Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC(C)[C@@H](C(=O)N[C@@H](Cc1ccccc1)C(=O)O)N1C(=O)N2CCc3c([nH]c4ccccc34)[C@@]2(C)C1=O
[b] O=C(Nc1nc2c(s1)CCCC2)c1ccc(Br)o1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}