Using CC(C)Cc1nc2ccc(C(=O)O)cc2c(-c2ccccc2)c1CNC(=O)OC(C)(C)C to produce CC(C)Cc1nc2ccc(C(=O)O)cc2c(-c2ccccc2)c1CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.