Using CCN=C=NCCCN(C)C, COc1ccc(Cn2nc(-c3csc(C(=O)O)c3)c3c(=O)[nH]ccc32)cc1 to produce COC(=O)c1cc(-c2nn(Cc3ccc(OC)cc3)c3cc[nH]c(=O)c23)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.