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 additional words.
Options:
a O=C1NC(=S)N/C1=C/c1cc([N+](=O)[O-])ccc1N1CCOCC1
b Cn1cccc1C1NC(=O)c2c(sc3c2CCC(C(C)(C)C)C3)N1
c Cc1c(NC(=O)c2cccs2)cccc1C(=O)O
d Clc1ccc(-n2ncc3c(NCCCn4ccnc4)ncnc32)cc1
e COc1ccc(S(=O)(=O)NCCSCc2ccco2)cc1OC
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}