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, c, or d without using any additional words.
Options:
a O=C(Cn1ccccc1=O)Nc1ccc(C[C@@H]2CC[C@H]([C@H](O)c3ccccc3)N2)cc1
b COc1cnc2ccc(=O)n(CCN3CCC(c4c[nH]c5ccc(C#N)cc45)CC3)c2c1
c O=[N+]([O-])c1ccc(CCN(CCOc2ccc([N+](=O)[O-])cc2)COC(F)(F)F)cc1
d O=C(CCc1ccccc1)c1ccccc1OCC(O)CN1CCC(c2ccccc2)CC1
Answer: b, c, d
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}
2-(4-nitrophenyl)-N-[2-(4-nitrophenoxy)ethyl]-N-(trifluoromethyloxymethyl)ethanamine