Using CCOC(=O)COCc1noc([C@H](CCCC2CCCCC2)CC(=O)NO)n1 to produce O=C(O)COCc1noc([C@H](CCCC2CCCCC2)CC(=O)NO)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.