Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CC(C)=CC(=O)Nc1ccccc1C(N)=O
(b) O=C(CCn1c(=O)oc2ccccc21)N1CCN(c2ccc(F)cc2)CC1
(c) CCN1CCN(c2nc(-c3ccccn3)nc3ccccc23)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}