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) CCOc1ccc(S(=O)(=O)N(C)CC(=O)NCc2ccc3c(c2)OCO3)cc1
(b) CC(C)(C)C(=O)CSc1nccc(=O)[nH]1
(c) Cc1ccc(NC(=O)C2CCN(C(=O)NC3CCCCC3)CC2)c(C)c1
(d) Cc1[nH]n(-c2cccc3ccccc23)c(=O)c1/C=N/c1sc2c(c1C#N)CCC2
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}