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: COc1ccccc1N1CCN(CCCOc2ccc(F)cc2)CC1
b: COC(=O)c1ccc(OC)c(CSc2nnc(-c3ccc(C(C)(C)C)cc3)o2)c1
c: Nc1cc(-c2ccc(Cl)cc2)nn1S(=O)(=O)c1cccc2nsnc12
d: Cc1ccc(C2CC(=O)NC(SCC(=O)Nc3nccs3)=C2C#N)cc1
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}