Using COC(=O)CCC(=O)c1cc(C(C)C)c(Oc2nnnn2-c2ccccc2)c(C(C)C)c1 to produce COC(=O)CCC(=O)c1cc(C(C)C)cc(C(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.