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: O=S(=O)(Nc1ccccc1N1CCOCC1)c1ccc(Cl)s1
b: O=C(Nc1nnc(S(=O)(=O)N2CCOCC2)s1)c1cccc(Br)c1
c: COC(=O)C1CCN(Cc2ccc(OCCCN3CCN(c4ccc([N+](=O)[O-])cc4)CC3)cc2)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}