Using COC(OC)c1ccc(-c2ccccc2-c2nnn(C(C)(C)c3ccccc3)n2)cc1 to produce CC(C)(c1ccccc1)n1nnc(-c2ccccc2-c2ccc(C=O)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.