Task: Please answer the multiple choice question.
Question: Which molecules are not 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 other words.
Options:
a O=c1c2cc([N+](=O)[O-])ccc2nc2n1CCC2
b O=C(O)c1cc2cc(Cl)ccc2oc1=O
c Cn1c(=O)n(C)c2cc(S(=O)(=O)O)ccc21
d COC(=O)c1ccc(C(=O)OC)c(NC(=S)N2CCCCC2C)c1
Answer: a, b, c, 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}