Using COc1cc(OC)cc(N2CCN(C(=O)Nc3nc4ccccc4nc3OC)CC2)c1, CCCI to produce COc1cc(OC)cc(N2CCN(C(=O)N(c3nc4ccccc4nc3OC)C(C)C)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.