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 COc1ccc2[nH]c(=O)c(CN(C)C(=O)c3ccncc3)cc2c1
b Clc1ccc(OCc2nc(-c3ccccn3)n[nH]2)cc1
c CCOC(=O)C1CCN(S(=O)(=O)c2cccc(-c3cn4cccnc4n3)c2)CC1
d Cc1ccc(C)c(OCC(=O)N/N=C/c2c(C)nn(-c3ccccc3)c2Cl)c1
Answer: b
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}