Using O=Cc1ccc(-c2nccs2)cc1, COC(=O)CCc1cccc(CN)c1 to produce COC(=O)CCc1cccc(CNCc2ccc(-c3nccs3)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.