Using CN(CC(=O)O)C(=O)OC(C)(C)C, CCOC(=O)COc1ccc(NC)cc1 to produce CCOC(=O)COc1ccc(N(C)C(=O)CN(C)C(=O)OC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.