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] NC(=O)c1ccc[n+](Cc2ccc(-c3ccccc3)cc2)c1.[Cl-]
[b] COc1cccc(C2NC(=O)CCC2[N+](=O)[O-])c1
[c] CN(C)CCN(C(=O)C1=COCCO1)c1nc2ccc(Cl)cc2s1.Cl
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}