Task: Please answer the multiple choice question.
Question: Which molecules are not 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 other words.
Options:
a Cc1ccn2nc3c(c2n1)CN([C@H]1CO[C@H](c2cc(F)ccc2F)[C@@H](N)C1)C3
b CC(=O)N1CCN(c2ccc(OC[C@@H]3CO[C@@](Cn4ccnc4)(c4ccc(Cl)cc4Cl)O3)cc2)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}
(2R,3S,5R)-2-(2,5-difluorophenyl)-5-(11-methyl-4,7,8,12-tetrazatricyclo[6.4.0.02,6]dodeca-1,6,9,11-tetraen-4-yl)oxan-3-amine