Using C1=COCCC1, CCOC(=O)C1NC(=O)C(CC(C)C)N(O)C1=O to produce CCOC(=O)C1NC(=O)C(CC(C)C)N(OC2CCCCO2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.