Using COC(=O)Cn1cc(C(=O)N2CCN(c3ccccc3C(C)(C)C)CC2)nc1C to produce Cc1nc(C(=O)N2CCN(c3ccccc3C(C)(C)C)CC2)cn1CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.