Using CCOC(=O)CCc1ccc(-c2ncc(-c3ccc(OC(C)C)c(C#N)c3)s2)c(C)c1 to produce Cc1cc(CCC(=O)O)ccc1-c1ncc(-c2ccc(OC(C)C)c(C#N)c2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.