User: I want to know more about the molecule with SMILES Nc1nc2c(c(=O)[nH]1)N(C=O)C(CNc1ccc(C(=O)N[C@H](CCC(=O)O)C(=O)O)cc1)CN2.
Assistant: How can I help?
User: Please describe this drug.
Assistant: The answer is Pteroyl-D-glutamic acid is a glutamic acid derivative.
User: I want to know more about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
Nc1nc2c(c(=O)[nH]1)N(C=O)C(CNc1ccc(C(=O)N[C@H](CCC(=O)O)C(=O)O)cc1)CN2
C1C(N(C2=C(N1)N=C(NC2=O)N)C=O)CNC3=CC=C(C=C3)C(=O)N[C@H](CCC(=O)O)C(=O)O
(2R)-2-[[4-[(2-amino-5-formyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid
Please describe this drug.