Task: Please answer the multiple choice question.
Question: Which molecules are 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 other words.
Options:
a) Cl.OC(c1ccccc1)(c1ccccc1)C1CN2CCC1CC2
b) O=C(COC(=O)COc1ccccc1[N+](=O)[O-])NC1CCCCC1
c) CCN1CCN(c2cc(C)c3cc(NC(=O)c4ccc(Br)o4)ccc3n2)CC1
Answer: 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}