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 CN1CCN(c2nc(-c3cccs3)nc3ccccc23)CC1
b COc1ccc(CNc2ccc([N+](=O)[O-])cc2C)cc1
c O=C(c1ccc(N2CCCC2)c([N+](=O)[O-])c1)N1CCN(CCO)CC1
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}