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) CCOC(=O)c1c(C)[nH]c(C)c1S(=O)(=O)NCCN1CCN(c2cc(Cl)ccc2C)CC1
(b) CC(C)(C)[C@H]1C=C(C(=O)N2CCN(Cc3ccc4c(c3)OCO4)CC2)O[C@@H](OCc2ccc(CO)cc2)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}