Using COC(=O)c1cnc2c3cc(NC(=O)C4CCCCC4)ccc3ncn2c1=O to produce O=C(O)c1cnc2c3cc(NC(=O)C4CCCCC4)ccc3ncn2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.