Using CCOC(=O)CC1Cc2ccc(O)cc2Cc2ccccc21, CCNc1nc(CCO)cs1 to produce CCNc1nc(CCOc2ccc3c(c2)Cc2ccccc2C(CC(=O)OCC)C3)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.