Using Cc1ccccc1CCl, CCOCc1nc2c(N)nc3cc(O)ccc3c2n1CC(C)C to produce CCOCc1nc2c(N)nc3cc(OCc4ccccc4C)ccc3c2n1CC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.