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 or b without using any other words.
Options:
(a) COc1ccc(CCN(C)C(=O)CSc2nc3ncc(Cl)cc3[nH]2)cc1OC
(b) CN(C)c1cccc(C(=O)OCC(=O)Nc2ccccc2Sc2ccccc2)c1
Answer: a, b
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}