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