Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) CCOC(=O)c1c(C)n(-c2ccc(C)cc2)c2ccc(O)c(CN(C)C)c12.Cl
b) Fc1ccc(Sc2cc(Cl)c(-c3ccccc3)nn2)cc1
c) CC(C)(C)NCc1cc(Cl)ccc1OCc1ccccc1F.Cl
d) O=C(c1ccccc1)c1c[nH]c(C(=O)NNc2cccc(Cl)n2)c1
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}