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, b, c, or d without using any additional words.
Options:
a.) CCCCCCCCc1ccc(CCC(N)(CO)CO)cc1
b.) N#Cc1ccc(CCN2CCN(CCc3ccc4nonc4c3)CC2)cc1
c.) CN1CCCCC(c2ccc(Cl)c(Cl)c2)C1
d.) COc1ccc(Br)cc1CCc1c(Cl)cccc1C(=O)NC(=N)N
Answer: b, d
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-[2-[4-[2-(2,1,3-benzoxadiazol-5-yl)ethyl]piperazin-1-yl]ethyl]benzonitrile