Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a O=C(CN1CCCCCC1)N/N=C/c1ccc(Cl)c(Cl)c1
b CC1CC(=S)Nc2ccccc2N1Cc1ccccc1
c Cc1ccc(-c2csc3nc[nH]c(=O)c23)c(C)c1
d O=C(/C=C/c1ccccc1)NC(=S)Nc1ccc(CN2CCOCC2)cc1
e CCCCOc1ccc(C(C)=O)cc1Cc1c(O)[nH]c(=S)[nH]c1=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}