Using Cc1cncc(-c2cc3c(cn2)cnn3-c2cnc(C)c(N3CCC[C@H](NC(=O)OC(C)(C)C)C3)n2)n1 to produce Cc1cncc(-c2cc3c(cn2)cnn3-c2cnc(C)c(N3CCC[C@H](N)C3)n2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.