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 COc1cc2c(Nc3ccc(Cl)c(Cl)c3F)ncnc2cc1OCC1C[C@@H]2CN(C)C[C@@H]2C1
b N#Cc1c[nH]c(C(=O)Nc2ccc(C3CCN(C(=O)Cc4ccncc4)CC3)cc2C2=CCCCC2)n1
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}
4-cyano-N-[2-(cyclohexen-1-yl)-4-[1-(2-pyridin-4-ylethanoyl)piperidin-4-yl]phenyl]-1H-imidazole-2-carboxamide