Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cc2ncc3c(n2n1)CN([C@H]1CC[C@H](c2cc(F)c(F)cc2F)[C@@H](N)C1)C3
(b) COc1ccc2cc(-c3nc(-c4ccc(S(C)=O)cc4)[nH]c3-c3ccncc3)ccc2c1
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}
(1S,2R,5S)-5-(11-methyl-1,4,8,12-tetrazatricyclo[7.3.0.02,6]dodeca-2(6),7,9,11-tetraen-4-yl)-2-(2,4,5-trifluorophenyl)cyclohexan-1-amine