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 or b without using any additional words.
Options:
(a) Cc1ccc(NC(=S)N(CCCN(C)C)Cc2cc3cc4c(cc3[nH]c2=O)OCO4)cc1
(b) COC(=O)c1ccc(CSc2nnc(SCc3ccc(C(=O)OC)o3)s2)o1
Answer: a, 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}