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) COc1cc(OC)cc(-c2ccc3ncc4ccc(=O)n(-c5ccc(N6CCNCC6)c(C(F)(F)F)c5)c4c3c2)c1
(b) CNCc1ccccc1Oc1ccc(Cl)cc1OC
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}
9-(3,5-dimethoxyphenyl)-1-[4-piperazin-1-yl-3-(trifluoromethyl)phenyl]benzo[h][1,6]naphthyridin-2-one