Using Cc1ccc2c(N3CCN(CCc4cccc(N5CCNC5=O)c4)CC3)cccc2n1, CC(C)I to produce Cc1ccc2c(N3CCN(CCc4cccc(N5CCN(C(C)C)C5=O)c4)CC3)cccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.