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 additional words.
Options:
a. CCOC(=O)[C@H]1[C@H]2COc3ccc(C)cc3[C@@H]2N2C(=O)c3cc(OC)c(OC)cc3NC(=O)[C@@]12C
b. Cc1ccc(Cn2ccsc2=NC(=O)CCl)cc1
c. COC(=O)C1CCN(CCCOc2ccc(CN3CCN(c4ccc([N+](=O)[O-])cc4)CC3)cc2)CC1
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}