Using CCCCN, COC(=O)[C@H](CCCNC(=N)N)NS(=O)(=O)c1ccc2cc(OC)ccc2c1 to produce CCCCNC(=O)[C@H](CCCNC(=N)N)NS(=O)(=O)c1ccc2cc(OC)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.