Using COc1ccc(-c2cc3nccn3c(-c3cnn(C4(CC#N)CN(C(=O)OC(C)(C)C)C4)c3)n2)cc1 to produce COc1ccc(-c2cc3nccn3c(-c3cnn(C4(CC#N)CNC4)c3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.