Using CCN=C=NCCCN(C)C, COc1cc(OC)c(-c2cc3ccccc3s2)cc1/C=C/C(=O)c1ccc(C(=O)O)cc1 to produce COC(=O)c1ccc(C(=O)/C=C/c2cc(-c3cc4ccccc4s3)c(OC)cc2OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.