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, c, or d without using any other words.
Options:
a.) N#Cc1ccc(OCCCN2CC3CN(CCNS(=O)(=O)c4cccc(C#N)c4)CC(C2)O3)cc1
b.) N#Cc1cnc(Nc2cc(NC[C@H]3CNCCO3)c(Cl)cn2)cn1
c.) COC(C)(C)C#Cc1ccc2c(c1)[C@]1(COC(N)=N1)c1cc(-c3cncnc3)ccc1O2
d.) COc1cc(-c2cn(C3CCc4ncccc4N(CC(F)(F)F)C3=O)nn2)ccc1-n1cnc(C)c1
Answer: b, c
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}
(4R)-2'-(3-methoxy-3-methylbut-1-ynyl)-7'-pyrimidin-5-ylspiro[5H-1,3-oxazole-4,9'-xanthene]-2-amine