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) CCOC(=O)c1cnn2c1[nH]c(=O)c1ccccc12
(b) CCCNC(=S)Nc1cccc(Cl)c1C
(c) C/C=C/Cn1cccc(C(=O)Nc2ccc(OC)cc2)c1=O
(d) CCCC(=O)N1CCN(c2nc3ccc(Cl)cc3s2)CC1
Answer: d
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}