Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COC(=O)c1cc(Cl)c(NC(=O)/C=C/c2ccc(OC)c(OC)c2)cc1OC
b: Br.CCCCn1c(=N)n(CC(=O)c2ccc(Br)s2)c2ccccc21
Answer: a
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}