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) COc1ccc([C@H]2[C@H](C(=O)C(C)(C)C)N3N=Cc4ccccc4C3C23C(=O)OC(C)(C)OC3=O)cc1
(b) COc1ccc(-c2noc(Cn3cc(S(=O)(=O)N4CCCC4)ccc3=O)n2)cc1
(c) Cn1nc(-c2ccccc2)c2cc([N+](=O)[O-])ccc21
(d) O=C(CSCc1ccccn1)Nc1ccccc1
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}