Using COc1ccccc1N1CCC(=O)CC1, CC(C)(C)OC(=O)NCCN to produce COc1ccccc1N1CCC(NCCNC(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.