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. CCNC(=S)NNC(=O)CCc1nc2cc(Cl)ccc2n(Cc2ccccc2)c1=O
b. CCN1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
c. Cc1[nH]nc(SCC(=O)NC2CCCCC2)c1[N+](=O)[O-]
d. Cc1cccc(NC(=O)Cn2c(O)c(N=NC(N)=S)c3ccccc32)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}