Using Cc1cccc(Nc2nccc(-c3ccc(NC(=O)OC(C)(C)C)s3)n2)c1, CC(=O)CCl to produce CC(=O)CN(C(=O)OC(C)(C)C)c1ccc(-c2ccnc(Nc3cccc(C)c3)n2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.