Using COc1ccc(-c2nc(N)sc2-c2cccnc2)cc1, CCOC(=O)CC(=O)Cl to produce CCOC(=O)CC(=O)Nc1nc(-c2ccc(OC)cc2)c(-c2cccnc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.