Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC(C)N(CC[C@@](C(N)=O)(c1ccccc1)c1ccccn1)C(C)C
(b) CC1=NC2=[N+](CCC[C@H]2O)C(=O)[C@@H]1CC[NH+]1CCC(c2noc3cc(F)ccc23)CC1
(c) CC[C@H]1[C@H]2C[C@H]3[C@@H]4N(C)c5ccccc5[C@]45C[C@@H]([C@H]2[C@H]5O)N3[C@@H]1O
(d) CN(CCN(C)S(=O)(=O)c1ccc(NS(C)(=O)=O)cc1)c1nc2ccccc2n1C
Answer: a, b, c, 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}
(2R)-4-[di(propan-2-yl)amino]-2-phenyl-2-pyridin-2-ylbutanamide