Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1ccccc1CN1CCC(CNS(=O)(=O)c2cc(-c3cc(C)no3)ccc2C)CC1
[b] CCN(CC(=O)Nc1c(F)cccc1F)C(=O)C1CCN(C(=O)c2ccc(F)cc2)CC1
[c] COc1ccc(NC(=O)C(Cc2ccccc2)n2cccc2)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}