Using Cc1cc2cc(Nc3ncnc4ccc(NC(=O)CCNC(=O)OC(C)(C)C)cc34)ccc2[nH]1 to produce Cc1cc2cc(Nc3ncnc4ccc(NC(=O)CCN)cc34)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.