Task: Please answer the multiple choice question.
Question: Which molecules are not 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.) Nc1ccc(-c2nnc(C3CCN(Cc4ccc(-c5nc6nc(N7CCN(CCO)CC7)ncc6cc5-c5ccccc5)cc4)CC3)[nH]2)cn1
b.) CC(C)n1cnc2c(NCCCCCCNC(=O)OC(C)(C)C)nc(NCCO)nc21
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}
tert-butyl N-[6-[[2-(2-hydroxyethylamino)-9-propan-2-ylpurin-6-yl]amino]hexyl]carbamate