Using COc1cc(NC(=O)c2sc(-c3ccc(Cl)cc3)nc2CCO)ccc1OCCN1CCCC1 to produce COc1cc(-n2ccc3nc(-c4ccc(Cl)cc4)sc3c2=O)ccc1OCCN1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.