Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (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=C(N[C@@H]1CCCc2c1[nH]c1ccc(Cl)cc21)c1ccccn1
(b) COc1ccc([C@H]2CN(CCc3ccc(OC)c(OC)c3)C[C@@H]2CCc2nc3ccc(Cl)cc3[nH]2)cc1
(c) CC(C)c1nn(-c2c(Cl)cccc2Cl)c2[nH]c(Cc3ccc(OCCO)cc3)nc(=O)c12
(d) CNC1CCCC(c2c[nH]c3ccc(NC(=N)c4cccs4)cc23)C1
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}
6-chloro-2-[2-[(3R,4S)-1-[2-(3,4-dimethoxyphenyl)ethyl]-4-(4-methoxyphenyl)pyrrolidin-3-yl]ethyl]-1H-benzimidazole