Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) C[C@H]1CCc2c([nH]c3ccccc23)[C@@]2(N1)C(=O)Nc1ccc(Br)cc12
b.) Cc1ccc2c(N3CCN(CCc4c(C)ccc5c4ccc(=O)n5C)CC3)cc(F)cc2n1
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}
(3R,3'S)-5-bromo-3'-methylspiro[1H-indole-3,1'-3,4,5,10-tetrahydro-2H-azepino[3,4-b]indole]-2-one