Using Cc1ccc(-c2ccn(-c3ccc4c5c(n(C)c4c3)CCCN(C(=O)OC(C)(C)C)C5)c(=O)c2)cn1 to produce Cc1ccc(-c2ccn(-c3ccc4c5c(n(C)c4c3)CCCNC5)c(=O)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.