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 additional words.
Options:
a) CCOC(=O)c1ccc(NS(=O)(=O)c2cn(C)cn2)cc1
b) O=C(NCC(=O)N1CCN(c2cccc(Cl)c2)CC1)c1ccc(Br)o1
c) Cc1cccc(NC(=O)c2ccc3nccnc3c2)n1
Answer: 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}