Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: C=C1CC23CC4C5C6(C)CC(C(=O)OC)CC57C2C(O)C1C(C(=O)OC)C3(O)C7N4C6
b: CCCCOc1ccc(C(=O)NC2COc3cccc(N4CCN(C)CC4)c3C2)cc1
c: CC1(C)C[C@@H](NC(=O)c2cccc3[nH]ncc23)c2cc(-c3ccc(Cl)cc3)c(-c3ccc(Cl)cc3Cl)nc2O1
Answer: b
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}
4-butoxy-N-[5-(4-methylpiperazin-1-yl)-3,4-dihydro-2H-chromen-3-yl]benzamide