Using COC(=O)C(C)(C)n1cc(-c2ccc3c(c2)OCCn2cc(-c4ncnn4C(C)C)nc2-3)cn1, CO to produce Cc1nc(-c2cn3c(n2)-c2ccc(-c4cnn(C(C)(C)C(=O)O)c4)cc2OCC3)n(C(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.