Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCOc1ccc(N2CC(C(=O)Nc3ccc(S(=O)(=O)N4CCCC4)cc3)CC2=O)cc1
b O=C(NCc1nc2ccccc2[nH]1)C1=C[C@@H](c2ccc(Br)cc2)C[C@@H](OCCCCO)O1
Answer: a
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}