Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCOC(=O)c1[nH]c2c(c1-c1ccccc1)C(=O)CC(c1ccc(OCC)cc1)C2
b) CCOC(=O)N1CCN(C(=S)Nc2cc(OC)c(OC)cc2C(=O)OC)CC1
Answer: a, 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}