Using CC(C)(C)OC(=O)c1c(OCc2ccccc2)sc2c1C(N=C=O)C(CN1C(=O)c3ccccc3C1=O)NC2 to produce CC(C)(C)OC(=O)c1c(OCc2ccccc2)sc2c1C(N=C=O)C(CN)NC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.