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. CN1CCC[C@H]1CCN1CCCc2cc(N=C(N)c3cccs3)ccc21
b. O=C(CN1C(=O)C2(CCCCC2)OC1c1cc(F)cc(F)c1)Nc1ccc2c(c1)C[C@@]1(C2)C(=O)Nc2ncccc21
c. Cc1nc2c(c(-c3ccc(Cl)cc3Cl)c1CN)CN(CC(=O)N1CCCC1)C2=O
d. CCNC(=O)N[C@H](CCN1CCC(c2c(CC)[nH]c3cc(F)ccc23)CC1)Cc1ccc(Cl)c(Cl)c1
Answer: a, d
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}
1-[(2S)-1-(3,4-dichlorophenyl)-4-[4-(2-ethyl-6-fluoro-1H-indol-3-yl)piperidin-1-yl]butan-2-yl]-3-ethylurea