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, or c without using any other words.
Options:
a: C=CCNC(=O)c1ccc(CSc2nc3ccccc3s2)cc1
b: CC(O)C(=O)O.Cc1ccc(CN(CC(O)COc2cccc3[nH]cc(C)c23)C(C)(C)C)cc1
c: O=C(NCc1ccccn1)c1c(Cl)cccc1Cl
Answer: b
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}