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, b, or c without using any other words.
Options:
a.) O=C(c1ccco1)N1CCN(C(=S)NCc2ccc(F)cc2)CC1
b.) Cc1c(NC(=O)Nc2cccs2)cccc1[N+](=O)[O-]
c.) O=C(CN1CCN(c2ccccn2)CC1)Nc1cc(F)ccc1F
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}