Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=C(O)C(Cc1ccccc1)Nc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
(b) O=C(NCCc1ccccc1)c1ccc2[nH]c(=O)c(=O)[nH]c2c1
(c) O=C(Nc1cc(=O)[nH]c2ncnn12)c1ccccc1Cl
(d) N#Cc1ccc(NCCc2ccccn2)c([N+](=O)[O-])c1
Answer: a, b, c
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}