Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1cnc(N2CCC(C3CCN(c4cc(C#N)nc(C)n4)CC3)CC2)cn1
b. CC(C)S(=O)(=O)NC1CN(C)CC1c1ccc(-c2cccc(NS(C)(=O)=O)c2)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}
2-methyl-6-[4-[1-(5-methylpyrazin-2-yl)piperidin-4-yl]piperidin-1-yl]pyrimidine-4-carbonitrile