Task: Please answer the multiple choice question.
Question: Which molecules are 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) O=C(CN(C1CCCCC1)S(=O)(=O)c1ccc(Cl)cc1)N1CCOCC1
b) CC1(C)CC(=O)C(C(C2=C(O)CC(C)(C)CC2=O)c2ccc(Br)s2)C(=O)C1
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}