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 other words.
Options:
(a) COc1cc(CNC(=O)CCCC/C=C/C(C)C)ccc1O
(b) COc1ccc(CCN2CCN(CCCc3ccccc3)CC2)cc1OC
Answer: b
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}
1-[2-(3,4-dimethoxyphenyl)ethyl]-4-(3-phenylpropyl)piperazine