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. CN(CCCC(=O)O)C(=N)c1ccc(C(=O)Nc2ccc(Cl)cc2C(=O)Nc2ccc(Cl)cn2)cc1
b. N#Cc1ccc2[nH]c(C3CCN(CCn4c(=O)ccc5ncc(Oc6cccnc6)cc54)CC3)nc2c1
Answer: a, 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}
2-[1-[2-(2-oxidanylidene-7-pyridin-3-yloxy-1,5-naphthyridin-1-yl)ethyl]piperidin-4-yl]-1H-benzimidazole-5-carbonitrile