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) Cc1cc([C@H]2C[C@H]3[C@@H](C)SC(N)=N[C@@]3(c3ccc(F)cc3F)CO2)on1
(b) O=C1COc2ccc(CNC3CCN(CCn4c(=O)ccc5ncc(O[C@@H]6CCOC6)cc54)CC3)nc2N1
(c) O=C(O)[C@@H](CC1CCC1)N1CC(CN2CCC(c3cnc4ccc(C(F)(F)F)cn34)CC2)[C@@H](c2cccc(F)c2)C1
(d) O=C1N(CC2CCCCN2)CCN1c1cccc(Cl)c1
Answer: a, d
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,4aR,6R,8aS)-8a-(2,4-difluorophenyl)-4-methyl-6-(3-methyl-1,2-oxazol-5-yl)-4a,5,6,8-tetrahydro-4H-pyrano[3,4-d][1,3]thiazin-2-amine