Using CCOC(=O)C1CC1c1nc2cc(C(=O)N3CC4(C)CC3CC(C)(C)C4)ccc2[nH]1 to produce CC1(C)CC2CC(C)(CN2C(=O)c2ccc3[nH]c(C4CC4C(=O)O)nc3c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.