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: COC(=O)C1=CN(c2ccc(F)cc2)C=C(C(=O)OC)C1c1ccc([N+](=O)[O-])cc1
b: CCN1C[C@@]2(COC)C3[C@@H](OC)[C@H]4[C@@H]1[C@@]3(C1C[C@H]3[C@H](OC(C)=O)C1[C@]4(OC(C)=O)C[C@H]3OC)[C@@H](OC)C[C@H]2OC(C)=O
c: CC1=C(C(=O)NC(C)c2ccccc2)C2(CCC(C)CC2)OC1=O
d: OCCn1c(C(F)(F)F)nc2ccccc21
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}