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, or c without using any additional words.
Options:
(a) O=C(NCc1ccc(N2CCCC2=O)cc1)c1cnccn1
(b) O=c1[nH]c2ccc(S(=O)(=O)Nc3ccc(Br)cc3)cc2[nH]1
(c) CCCC(=O)N1CCN(c2ccc(NC(=O)c3ccc(OCC)c([N+](=O)[O-])c3)cc2)CC1
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}