Using COCCCc1ccccc1-c1ccc(C(CNC(=O)OC(C)(C)C)Cc2cccnc2)c(C)c1 to produce COCCCc1ccccc1-c1ccc(C(CN)Cc2cccnc2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.