Using CC(C)(C)OC(=O)NCCOc1ccc2c(c1)C(Cc1ccccc1)NC2=O to produce NCCOc1ccc2c(c1)C(Cc1ccccc1)NC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.