Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1cc(C(O)CN2CCN(CCc3ccc4c(c3C)COC4=O)CC2)ccc1C#N
b) CS(=O)(=O)c1ccc(C2=C(c3ccccc3)C(=O)OC2)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
4-[1-hydroxy-2-[4-[2-(4-methyl-1-oxo-3H-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-2-methoxybenzonitrile