Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Br.O=C(CN1C2=NCCN2c2ccccc21)C12CC3CC(CC(C3)C1)C2
b: CCNc1nc(NCC)nc(C(=O)Nc2ccccc2)n1
c: O=C(Cc1ccccc1)c1ccc(Cl)cc1
d: CC(=O)Nc1ccc(NC(=O)C(C)Oc2ccccc2F)cc1
Answer: 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}