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, b, c, or d without using any additional words.
Options:
[a] O=C(COc1ccccc1C(=O)NCC1CCCO1)Nc1ccc(Br)cc1
[b] O=C(Nc1ccc(Cl)cc1)c1ccc(-n2cncn2)c([N+](=O)[O-])c1
[c] Cc1[nH]c2ccccc2c1-c1nc2ccccc2[nH]1
[d] Cc1occc1C(=O)Nc1ccc2c(c1)CCC2
Answer: a, b, c, d
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}