Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COc1cc2c(cc1OC)C(=O)[C@@H](CC1CC[NH+](Cc3ccccc3)CC1)C2
b. Fc1ccc(-c2[nH]c3cc(F)ccc3c2[C@@H]2C[NH2+]CC[C@@H]2F)cc1
c. COc1ccc([C@@H]2CC(=O)c3c(O)cc(O)cc3O2)cc1O
d. COC(=O)C1=C(C)NC(C)=C(C(=O)OC(C)C)[C@H]1c1cccc2nonc12
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)-2-[(1-benzylpiperidin-1-ium-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one