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 other words.
Options:
a: N#Cc1cnc(Nc2cc(N3CCC(N)C3)ncn2)s1
b: O=C(CCc1ccccc1)NC1CCC(O)(c2ccc(O)cc2)CC1
c: CCOc1cc(N2CCC(O)CC2)ccc1Nc1ncc2c(n1)N(C)c1ccccc1C(=O)N2C
d: N#Cc1ccc(OCCN2CC3CN(CCNS(=O)(=O)c4cccc(Cl)c4)CC(C2)O3)cc1
e: O=C(Nc1ccc(F)c(Cl)c1)N1CCN(C[C@@H]2CCCN(C3CC3)C2)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}
2-[[6-(3-aminopyrrolidin-1-yl)pyrimidin-4-yl]amino]-1,3-thiazole-5-carbonitrile