Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2cccc(OCCO)c2)CC1
b. Cc1ccc2oc(C(=O)N(Cc3ccc(N(C)C)cc3)C3CCS(=O)(=O)C3)c(C)c2c1
c. Cc1nc(-c2ccccc2)nc2[nH]c(-c3ccccc3)cc(=O)c12
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}