Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1ccc(C)c(N2CCN(CCCNC(=O)Cn3cc4c(n3)CCC(C)C4)CC2)c1
b: Cc1cc(C)n(/N=C/c2cc(Cl)cc(Cl)c2O)c(=O)c1
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}