Using COC(=O)c1ccc2c(c1)CC(C)(C)C(c1ccc(NC(=O)C3CCCCC3)cc1)N2 to produce CC1(C)Cc2cc(C(=O)O)ccc2NC1c1ccc(NC(=O)C2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.