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) COc1ccccc1N1CCN(C(=O)CN(Cc2ccc(Cl)cc2)S(C)(=O)=O)CC1
(b) CCC(=O)Nc1c(S(=O)(=O)c2ccc(C)cc2)c2nc3ccccc3nc2n1C(C)c1ccccc1
(c) CCN1CCN(C(c2cccs2)C(C)NC(=S)Nc2cc(C)ccc2C)CC1
(d) O=C(N/N=C/c1c[nH]c2ccccc12)c1ccccc1Cl
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}