Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(CN1CCN(S(=O)(=O)c2ccc(F)c(F)c2)CC1)Nc1ccccc1C(=O)NC1CC1
[b] COc1ccc(OC)c(NC(=S)N2CCN(C/C=C/c3ccccc3)CC2)c1
[c] CCOC(=O)CNc1nc(-c2ccncc2)nc2ccccc12
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}