SMILES: CN1C(=O)[C@]2(C3=C(C4=C5CC[N+](C5=CC(=C4O2)O)(C)C)C(=O)C6=C(C3=O)C(=CN6)CCN)N(C1=O)C
Description: The molecule is an alkaloid isolated from the marine sponge Neopetrosia exigua which acts as a potent inhibitor of indoleamine 2,3-dioxygenase.