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)CN1CCC(Oc2cccc(C(=O)NCCCOc3cccnc3)c2)CC1
[b] COc1cc(Cl)c(C)cc1NC(=O)CSc1sc2c(O)cc(=O)[nH]c2c1C#N
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}