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) CN(C)CCCN(C(=O)C1COc2ccccc2O1)c1nc2ccc(F)cc2s1.Cl
(b) O=c1[nH]c(=O)c2ncc(-c3ccc(Cl)cc3)nc2[nH]1
(c) CC1(C)Cc2cccc(C(=O)Nc3ccncc3)c2O1
(d) CC(=O)Nc1cc(C(=O)CSc2nnc(C3CC3)n2C2CC2)ccc1O
(e) CC(=O)c1ccc2c(c1)C1C=CCC1C(c1cc3c(cc1Br)OCO3)N2
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}