Using COc1ccc(-c2cc(C)cc(NC(=O)C3(c4ccc5c(c4)OCC5)CC3)n2)cn1 to produce Cc1cc(NC(=O)C2(c3ccc4c(c3)OCC4)CC2)nc(-c2ccc(=O)[nH]c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.