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, c, or d without using any additional words.
Options:
a: O=C(CCCN1C(=O)/C(=C/c2cccc(Br)c2)SC1=S)Nc1cccnc1
b: CCN1CCN(c2nc3ccccn3c(=O)c2C=O)CC1
c: CC1CSc2ccccc2NC1=S
d: COc1ccc(/C=N\NC(=O)c2c(C)nc3ccc(Br)cn23)cc1
Answer: a, b, c, d
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}