Using O=C([O-])[O-], Cn1c(NCCNCCCc2ccc([N+](=O)[O-])cc2)cc(=O)n(C)c1=O to produce COc1ccc(CN(CCCc2ccc([N+](=O)[O-])cc2)CCNc2cc(=O)n(C)c(=O)n2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.