Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(O)Cc1ccc(-n2cc(C3CCN(CCN4CCNC4=O)CC3)c3cc(Cl)ccc32)cc1
b. CC(C)c1cc(C#N)cc2nc(-c3ccc(C(=O)NCC4CCC(c5ccc(C(F)(F)F)cc5)CC4)cc3)oc12
c. CC(C)N(C)[C@@H]1CC[C@H](N2CC[C@H](NC(=O)c3cccc(C(C)(C)C)c3)C2=O)[C@H](CS(=O)(=O)C(C)C)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}
2-[4-[5-chloro-3-[1-[2-(2-oxoimidazolidin-1-yl)ethyl]piperidin-4-yl]indol-1-yl]phenyl]acetic acid