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 additional words.
Options:
a: Cc1n[nH]c(C)c1S(=O)(=O)N1CCCC(C(=O)N2CCN(c3ccc(Cl)cc3)CC2)C1
b: O=C(CS(=O)(=O)c1ccccc1)N1CCN(c2ccccc2)CC1
c: CCCCn1c(O)c(C(CC)=Nc2cccc(C(=O)O)c2)c(=O)[nH]c1=O
Answer: a
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}