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 additional words.
Options:
a: COc1cc(C(=O)N2CCN(C(=O)c3cc(-c4ccc(Br)cc4)n[nH]3)CC2)cc(OC)c1OC
b: O=C(c1cccc(-c2ccco2)c1)N1CCCC(N2CCN(c3ccc(F)cc3)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}