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 other words.
Options:
a: CC(C)(C)OC[C@H](NC(=O)OC(C)(C)C)c1nnc([C@H](CCC(=O)OC(C)(C)C)NC(=O)C2CCN(C(=O)OC(C)(C)C)CC2)o1
b: Cc1cccc(C)c1NC(=O)CN(c1ccccn1)S(=O)(=O)c1ccccc1
c: CCOc1ccc2nc(N3CCCC(C(=O)NCCCN4CC(C)CC(C)C4)C3)sc2c1
d: C=CCNc1ccc(N2C(=O)C3CCC(C)CC3C2=O)cc1[N+](=O)[O-]
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}