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. Cn1c(=O)n(Cc2ccccc2Cl)c(=O)c2c1[nH]c(=S)n2C
b. CCCCCN(C(=O)CCC(=O)OCC(=O)c1ccc(CCC)cc1)c1c(N)n(CCCC)c(=O)[nH]c1=O
c. CC(/C=C/c1ccccc1F)=N\NC(=O)c1ccc(Cl)cc1
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}