Using COc1cc(C)nc(-n2ncc(C(=O)CCN3CCN(c4ccccc4C)CC3)c2C)n1 to produce Cc1cc(O)nc(-n2ncc(C(=O)CCN3CCN(c4ccccc4C)CC3)c2C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.