Using CCOC(=O)c1cc2ccc(O)cc2o1, Clc1nc2ncccc2s1 to produce CCOC(=O)c1cc2ccc(Oc3nc4ncccc4s3)cc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.