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, c, or d without using any additional words.
Options:
a: N#C/C(=C\c1ccc[nH]1)S(=O)(=O)c1ccccc1
b: O=c1[nH]nc(-c2ccccc2)cc1-c1ccccc1
c: CC(=O)N1CCN(C(=O)c2cc(-c3ccc(Cl)s3)nc3ccccc23)CC1
d: O=C1CC(/C=C/c2ccc(Cl)cc2)=Nc2ccccc2N1
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}