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, c, or d without using any additional words.
Options:
(a) Cc1ccc(CC(=O)N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)cc1
(b) Cc1ccc(OCCC(=O)OC(C)C(=O)Nc2ccc(Cl)cn2)cc1
(c) O=S(=O)(c1cccc2nsnc12)N1CCN(Cc2ccccc2)CC1
(d) O=C(CN(Cc1ccccc1)S(=O)(=O)c1ccccc1)N/N=C/c1ccccc1[N+](=O)[O-]
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}