Using OCc1cccnc1, COC(=O)c1ccc(CCCc2ccccc2O)cc1 to produce COC(=O)c1ccc(CCCc2ccccc2OCc2cccnc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.