Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COc1cccc(-c2c(C(=O)N3CCCCC3CO)cc3ccccn23)c1
(b) CCc1cc(-c2nnc(NCCCN3CCCCC3)o2)ccc1NC(=O)c1ccccc1F
(c) CCN(CC)CCSc1nc(-c2cc(OC)c(Cl)cc2Cl)c2c(C#N)c[nH]c2n1
(d) CC1Cc2c([nH]c3ccccc23)C2(N1)C(=O)Nc1ccc(Cl)cc12
Answer: 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}
4-(2,4-dichloro-5-methoxyphenyl)-2-[2-(diethylamino)ethylsulfanyl]-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile