Task: Please answer the multiple choice question.
Question: Which molecules are not 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. CC(=O)c1ccc(-c2nc3c4ccccc4ccn3c2C(C)=O)o1
b. CCN1CCN(C(c2cccs2)C(C)NC(=S)NC2CCCCC2)CC1
c. CCN(CC)CC(=O)N1c2ccccc2Oc2c(c(=O)n(C)c(=O)n2C)C1c1cccc([N+](=O)[O-])c1
Answer: a, 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}