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 other words.
Options:
a: O=C(O)CSc1c(-c2cccs2)[nH]c2ccccc12
b: O=C(CCCCCNC(=O)N1CCn2c1nc1ccccc12)NCc1ccc(F)cc1
c: CC(=O)Nc1ccc(NC(=S)Nc2ccc(F)cc2)cc1
d: CN(CCOc1ccccc1)C(=O)c1ccc(Cl)c(S(=O)(=O)N2CCCCC2)c1
Answer: d
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}