Using CC(=N)NO, CC(C)(C)OC(=O)N1C(C)(C)OCC1(C)C(=O)O to produce Cc1noc(C2(C)COC(C)(C)N2C(=O)OC(C)(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.