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) COC(=O)c1ccc(C2c3[nH]c4ccccc4c3C[C@H]3C(=O)N(C4CCN(Cc5ccccc5)CC4)CC(=O)N23)cc1
(b) CCN(c1ccccc1)S(=O)(=O)c1ccc(Cl)c(C(=O)N2CCCC2)c1
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}