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, d, or e without using any other words.
Options:
a. COc1ccc(CC[NH+](C)CCC[C@@](C#N)(c2ccc(OC)c(OC)c2)C(C)C)cc1OC
b. CC[C@H](O)c1cn(-c2ccc(F)cc2)c2ccc(Cl)cc12
c. COc1cc(N)c(Cl)cc1C(=O)NC1CCN(Cc2ccccc2)CC1
d. c1ccc(-c2[nH]c3ccccc3c2C2CCN(c3ccccc3)CC2)cc1
e. N[C@H](CNO)C(=O)O
Answer: a, 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}
2-phenyl-3-(1-phenylpiperidin-4-yl)-1H-indole