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 Cc1c(NC(=O)C2CCCO2)cccc1[N+](=O)[O-]
b CCN1CCN(c2nc(-c3cccs3)nc3ccccc23)CC1
c C[C@H](NC(=O)[C@@H]1Cc2ccccc2CN1)C(=O)NC1CCCCC1
Answer: b
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}