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) CCCCCCC(=O)N(O)C1CC(=O)N(c2ccc(Cl)cc2)C1=O
(b) Cn1c(=O)c([N+](=O)[O-])c(NCc2ccccc2Cl)c2ccccc21
(c) O=C(CN1CCCCCC1)N/N=C/c1ccc(Cl)c(Cl)c1
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}