Using CCOC=C(C(=O)c1ccc2scc(OC)c2c1OC)C(=O)C1CC1, NO to produce COc1csc2ccc(C(=O)c3cnoc3C3CC3)c(OC)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.