Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(Nc1cc(Cl)ccc1Cl)NS(=O)(=O)c1ccc(OCCN2CCCCC2)cc1
b: CCN1CCC[C@@H](C(=O)N2CCN(C(=O)Nc3ccc(Cl)c(Cl)c3)CC2)C1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
1-(2,5-dichlorophenyl)-3-[4-(2-piperidin-1-ylethoxy)phenyl]sulfonylurea