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, b, or c without using any other words.
Options:
a: COc1nnc(-c2ccc(N3CCOCC3)c(NC(C)=O)c2)c2ccccc12
b: CCOC(=O)C1(CCCc2ccccc2)CCN(Cc2nccn2CC)CC1
c: COc1cccc(N/C=C/c2onc(C)c2[N+](=O)[O-])c1
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}