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, b, c, or d without using any other words.
Options:
(a) COc1ccc(N(C(=O)Oc2c(C)cccc2C)c2ccnc(Nc3ccc(N4CCN(C)CC4)cc3)n2)c(OC)c1
(b) CCOC(=O)C1=C(CN2CC(F)(F)C[C@H]2C(=O)O)NC(c2nccs2)=N[C@H]1c1ccc(F)cc1Br
(c) O=C(O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c1cc(O)c(O)c(O)c1)c1cc(O)c(O)c(O)c1
(d) Fc1ccc2c([C@@H]3CNCC[C@H]3F)c(-c3ccc4ccccc4c3)[nH]c2c1
Answer: a, 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}
(2S)-1-[[(4R)-4-(2-bromo-4-fluorophenyl)-5-ethoxycarbonyl-2-(1,3-thiazol-2-yl)-1,4-dihydropyrimidin-6-yl]methyl]-4,4-difluoropyrrolidine-2-carboxylic acid