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 additional words.
Options:
(a) Cc1cn2ccn(CC3(c4ccccc4)CC3)c(=O)c2n1
(b) COc1ccccc1OC[C@H](O)C[NH+]1CC[NH+](CC(=O)Nc2c(C)cccc2C)CC1
(c) N#Cc1ccc(Cn2cncc2C[NH2+][C@@H]2CCN(C(=O)c3cccc(Cl)c3)C2=O)cc1
(d) COc1ccc(CC[NH+](C)CCC[C@@](C#N)(c2ccc(OC)c(OC)c2)C(C)C)cc1OC
Answer: 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}
[(4S)-4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl]-[2-(3,4-dimethoxyphenyl)ethyl]-methylazanium