Using O=C([O-])[O-], Cc1cccc(CC(=O)N2CCc3cc(-c4cn(C5CCNCC5)c5ncnc(N)c45)ccc32)c1 to produce Cc1cccc(CC(=O)N2CCc3cc(-c4cn(C5CCN(C)CC5)c5ncnc(N)c45)ccc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.