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: O=C1CCCN1Cc1nc2ccccc2n1Cc1ccc(Cl)cc1
b: CCOc1ccc(Cc2cc(C3CCN(CC4CN([C@@H](C(=O)O)[C@@H](C)CC)C[C@@H]4c4cccc(F)c4)CC3)n(CC)n2)cc1
c: Cc1nsc(-c2nnc3n2CCN(C(=O)c2ccc(-c4cccs4)cc2)[C@@H]3C)n1
d: CC(C)Oc1nc(C2CCNCC2)ncc1Nc1ncc(Cl)c(Nc2ccccc2S(=O)(=O)C(C)C)n1
Answer: 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}
(2R,3S)-2-[(4S)-3-[[4-[5-[(4-ethoxyphenyl)methyl]-2-ethyl-pyrazol-3-yl]piperidin-1-yl]methyl]-4-(3-fluorophenyl)pyrrolidin-1-yl]-3-methyl-pentanoicacid