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 N#Cc1ccc(S(=O)(=O)NCCN2CC3CN(CCc4ccccc4)CC(C2)O3)cc1
b CCOC(=O)c1cncc([C@]2(c3cnn(C)c3)N[C@@H](c3nc(-c4ccc(F)cc4)c[nH]3)Cc3c2[nH]c2ccccc32)c1
c O=C(NC1CCN(C2CCc3cc4oc(=O)[nH]c4cc32)CC1)c1cc(=O)c2ccc(F)cc2o1
d CC(NCc1ccc2c(c1)nc(NC(=O)c1ccc(-c3cn[nH]c3)s1)n2CC(C)(C)O)C(C)(C)C
e CC(C)N(C)[C@@H]1CC[C@H](N2CC[C@H](NC(=O)c3cccc(C(F)(F)F)c3)C2=O)[C@H](CS(C)(=O)=O)C1
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}
ethyl5-[(1R,3R)-3-[4-(4-fluorophenyl)-1H-imidazol-2-yl]-1-(1-methylpyrazol-4-yl)-2,3,4,9-tetrahydropyrido[3,4-b]indol-1-yl]pyridine-3-carboxylate