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: CCC(C)n1c(SCc2ccc([N+](=O)[O-])cc2)nc2ccsc2c1=O
b: Cc1ccc(NC(=O)Cc2n[nH]c(=O)c3ccccc23)cc1S(=O)(=O)N1CCCCCC1
c: NC(=O)NC(=O)COC(=O)CN1C(=O)C2CCCCC2C1=O
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}