Using C=CCC(C)(C)C(=O)c1c[nH]c2ncc(-c3cc(OC)c(OC)c(OC)c3)nc12 to produce CCCC(C)(C)C(=O)c1c[nH]c2ncc(-c3cc(OC)c(OC)c(OC)c3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.