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, d, or e without using any additional words.
Options:
a) Fc1ccc(OCc2cc(OCC3(F)COC3)nc(-c3ccccn3)n2)c(F)c1F
b) N#Cc1ccc(OCCN2CC3CN(CCNS(=O)(=O)Cc4ccccc4)CC(C2)O3)cc1
c) C[C@@H]1O[C@@H](O[C@H]2C[C@@H](O)[C@]3(CO)C4C(CC[C@]3(O)C2)[C@@]2(O)CC[C@H](C3=CC(=O)OC3)[C@@]2(C)C[C@H]4O)[C@H](O)[C@H](O)[C@H]1O
d) COc1ccc2ncc(=O)n(CCN3CC[C@H](NCc4ccc5c(n4)NC(=O)CO5)[C@H](O)C3)c2c1
e) COC(=O)[C@H]1[C@@H](O)C[C@H]2CC[C@@H]1[NH+]2C
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}
4-[(3-fluorooxetan-3-yl)methoxy]-2-pyridin-2-yl-6-[(2,3,4-trifluorophenoxy)methyl]pyrimidine