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 additional words.
Options:
a. Cc1ncoc1-c1nnc(SCCCN2CC3CCN(c4ccc(C(F)(F)F)cc4)C3C2)n1C
b. CCc1nc2ccccc2n1C1C[C@H]2CC[C@H](C1)N2CC[C@H](NC(=O)C1CCS(=O)(=O)CC1)c1ccc(F)cc1
c. COc1ncc2ncc(=O)n(CCN3CCC(NCc4cc5c(cn4)OCCO5)CC3)c2n1
d. Cc1cc(Nc2ncc(Cl)c(Nc3ccccc3S(=O)(=O)C(C)C)n2)c(OC(C)C)cc1C1CCN(C(=O)CN(C)C)CC1
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-methyl-5-[4-methyl-5-[3-[1-[4-(trifluoromethyl)phenyl]-2,3,3a,4,6,6a-hexahydropyrrolo[2,3-c]pyrrol-5-yl]propylsulfanyl]-1,2,4-triazol-3-yl]-1,3-oxazole