Using CCOC(=O)/C=C/c1cn(Cc2ccc(OCc3nc(-c4ccccc4)oc3C)cc2)cc1-c1ccccc1 to produce CCOC(=O)CCc1cn(Cc2ccc(OCc3nc(-c4ccccc4)oc3C)cc2)cc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.